74247206772 has 12 divisors (see below), whose sum is σ = 173243482496. Its totient is φ = 24749068920.

The previous prime is 74247206771. The next prime is 74247206779. The reversal of 74247206772 is 27760274247.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74247206771) 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, 3093633604 + ... + 3093633627.

Almost surely, 2^74247206772 is an apocalyptic number.

It is an amenable number.

74247206772 is an abundant number, since it is smaller than the sum of its proper divisors (98996275724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74247206772 is a wasteful number, since it uses less digits than its factorization.

74247206772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187267238 (or 6187267236 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 48.

The spelling of 74247206772 in words is "seventy-four billion, two hundred forty-seven million, two hundred six thousand, seven hundred seventy-two".