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74049997 = 710578571
BaseRepresentation
bin1000110100111…
…10100111001101
312011100010111111
410122132213031
5122424044442
611203052021
71556262130
oct432364715
9164303444
1074049997
113888794a
1220971011
1312459088
149b98217
15677ab17
hex469e9cd

74049997 has 4 divisors (see below), whose sum is σ = 84628576. Its totient is φ = 63471420.

The previous prime is 74049991. The next prime is 74050003. The reversal of 74049997 is 79994047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (74049991) and next prime (74050003).

It is a cyclic number.

It is not a de Polignac number, because 74049997 - 211 = 74047949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74049997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74049991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289279 + ... + 5289292.

It is an arithmetic number, because the mean of its divisors is an integer number (21157144).

Almost surely, 274049997 is an apocalyptic number.

It is an amenable number.

74049997 is a deficient number, since it is larger than the sum of its proper divisors (10578579).

74049997 is a wasteful number, since it uses less digits than its factorization.

74049997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578578.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 74049997 is about 8605.2307929538. The cubic root of 74049997 is about 419.9281755486.

The spelling of 74049997 in words is "seventy-four million, forty-nine thousand, nine hundred ninety-seven".

Divisors: 1 7 10578571 74049997