747524740 has 12 divisors (see below), whose sum is σ = 1569801996. Its totient is φ = 299009888.

The previous prime is 747524717. The next prime is 747524741. The reversal of 747524740 is 47425747.

It can be written as a sum of positive squares in 2 ways, for example, as 392277636 + 355247104 = 19806^2 + 18848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 747524693 and 747524702.

It is not an unprimeable number, because it can be changed into a prime (747524741) 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, 18688099 + ... + 18688138.

It is an arithmetic number, because the mean of its divisors is an integer number (130816833).

Almost surely, 2^747524740 is an apocalyptic number.

It is an amenable number.

747524740 is an abundant number, since it is smaller than the sum of its proper divisors (822277256).

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

747524740 is a wasteful number, since it uses less digits than its factorization.

747524740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37376246 (or 37376244 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 747524740 is about 27340.8986684783. The cubic root of 747524740 is about 907.5596734913.

The spelling of 747524740 in words is "seven hundred forty-seven million, five hundred twenty-four thousand, seven hundred forty".