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74460497 = 613121469
BaseRepresentation
bin1000111000000…
…10110101010001
312012002222121012
410130002311101
5123030213442
611215540305
71562621666
oct434026521
9165088535
1074460497
1139038301
1220b2a695
1312570b87
149c63a6d
15680c582
hex4702d51

74460497 has 4 divisors (see below), whose sum is σ = 74582580. Its totient is φ = 74338416.

The previous prime is 74460467. The next prime is 74460521. The reversal of 74460497 is 79406447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21520321 + 52940176 = 4639^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 74460497 - 26 = 74460433 is a prime.

It is a super-2 number, since 2×744604972 = 11088731226974018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74460437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60122 + ... + 61347.

It is an arithmetic number, because the mean of its divisors is an integer number (18645645).

Almost surely, 274460497 is an apocalyptic number.

It is an amenable number.

74460497 is a deficient number, since it is larger than the sum of its proper divisors (122083).

74460497 is a wasteful number, since it uses less digits than its factorization.

74460497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122082.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 74460497 is about 8629.0496000429. The cubic root of 74460497 is about 420.7027106240.

The spelling of 74460497 in words is "seventy-four million, four hundred sixty thousand, four hundred ninety-seven".

Divisors: 1 613 121469 74460497