747056736 has 96 divisors (see below), whose sum is σ = 2232165600. Its totient is φ = 242933760.

The previous prime is 747056729. The next prime is 747056743. The reversal of 747056736 is 637650747.

It is an interprime number because it is at equal distance from previous prime (747056729) and next prime (747056743).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 747056691 and 747056700.

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, 24880 + ... + 45968.

It is an arithmetic number, because the mean of its divisors is an integer number (23251725).

Almost surely, 2^747056736 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 747056736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116082800).

747056736 is an abundant number, since it is smaller than the sum of its proper divisors (1485108864).

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

747056736 is a wasteful number, since it uses less digits than its factorization.

747056736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21149 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The square root of 747056736 is about 27332.3386485679. The cubic root of 747056736 is about 907.3702348435.

The spelling of 747056736 in words is "seven hundred forty-seven million, fifty-six thousand, seven hundred thirty-six".