74734206772 has 12 divisors (see below), whose sum is σ = 130969330660. Its totient is φ = 37314398016.

The previous prime is 74734206733. The next prime is 74734206779. The reversal of 74734206772 is 27760243747.

It can be written as a sum of positive squares in 2 ways, for example, as 42916922896 + 31817283876 = 207164^2 + 178374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74734206779) 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, 13173153 + ... + 13178824.

Almost surely, 2^74734206772 is an apocalyptic number.

It is an amenable number.

74734206772 is a deficient number, since it is larger than the sum of its proper divisors (56235123888).

74734206772 is a wasteful number, since it uses less digits than its factorization.

74734206772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26352690 (or 26352688 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 49.

The spelling of 74734206772 in words is "seventy-four billion, seven hundred thirty-four million, two hundred six thousand, seven hundred seventy-two".