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74057461 = 372001553
BaseRepresentation
bin1000110101000…
…00011011110101
312011100111201221
410122200123311
5122424314321
611203150341
71556322652
oct432403365
9164314657
1074057461
1138892515
12209753b1
131245c5aa
149b9ac29
15677ce41
hex46a06f5

74057461 has 4 divisors (see below), whose sum is σ = 76059052. Its totient is φ = 72055872.

The previous prime is 74057441. The next prime is 74057471. The reversal of 74057461 is 16475047.

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 68790436 + 5267025 = 8294^2 + 2295^2 .

It is not a de Polignac number, because 74057461 - 25 = 74057429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74057411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000740 + ... + 1000813.

It is an arithmetic number, because the mean of its divisors is an integer number (19014763).

Almost surely, 274057461 is an apocalyptic number.

It is an amenable number.

74057461 is a deficient number, since it is larger than the sum of its proper divisors (2001591).

74057461 is a wasteful number, since it uses less digits than its factorization.

74057461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001590.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 74057461 is about 8605.6644717302. The cubic root of 74057461 is about 419.9422842082.

The spelling of 74057461 in words is "seventy-four million, fifty-seven thousand, four hundred sixty-one".

Divisors: 1 37 2001553 74057461