74697229931 has 4 divisors (see below), whose sum is σ = 75749303664. Its totient is φ = 73645156200.

The previous prime is 74697229913. The next prime is 74697229967. The reversal of 74697229931 is 13992279647.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74697229931 is a prime.

It is a super-2 number, since 2×74697229931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74697229231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526036760 + ... + 526036901.

It is an arithmetic number, because the mean of its divisors is an integer number (18937325916).

Almost surely, 2^74697229931 is an apocalyptic number.

74697229931 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

74697229931 is a deficient number, since it is larger than the sum of its proper divisors (1052073733).

74697229931 is a wasteful number, since it uses less digits than its factorization.

74697229931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052073732.

The product of its digits is 10287648, while the sum is 59.

The spelling of 74697229931 in words is "seventy-four billion, six hundred ninety-seven million, two hundred twenty-nine thousand, nine hundred thirty-one".