747074656 has 96 divisors (see below), whose sum is σ = 1603929600. Its totient is φ = 341231616.

The previous prime is 747074621. The next prime is 747074663. The reversal of 747074656 is 656470747.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3754045 + ... + 3754243.

It is an arithmetic number, because the mean of its divisors is an integer number (16707600).

Almost surely, 2^747074656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747074656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801964800).

747074656 is an abundant number, since it is smaller than the sum of its proper divisors (856854944).

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

747074656 is a wasteful number, since it uses less digits than its factorization.

747074656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The square root of 747074656 is about 27332.6664634097. Note that the first 3 decimals coincide. The cubic root of 747074656 is about 907.3774899572.

The spelling of 747074656 in words is "seven hundred forty-seven million, seventy-four thousand, six hundred fifty-six".