74969592257 has 16 divisors (see below), whose sum is σ = 86645624832. Its totient is φ = 63537019920.

The previous prime is 74969592253. The next prime is 74969592307. The reversal of 74969592257 is 75229596947.

It is a cyclic number.

It is not a de Polignac number, because 74969592257 - 2² = 74969592253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74969592193 and 74969592202.

It is not an unprimeable number, because it can be changed into a prime (74969592253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386132 + ... + 546842.

It is an arithmetic number, because the mean of its divisors is an integer number (5415351552).

Almost surely, 2^74969592257 is an apocalyptic number.

It is an amenable number.

74969592257 is a deficient number, since it is larger than the sum of its proper divisors (11676032575).

74969592257 is a wasteful number, since it uses less digits than its factorization.

74969592257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161468.

The product of its digits is 85730400, while the sum is 65.

The spelling of 74969592257 in words is "seventy-four billion, nine hundred sixty-nine million, five hundred ninety-two thousand, two hundred fifty-seven".