747287040 has 80 divisors (see below), whose sum is σ = 2389007808. Its totient is φ = 199274496.

The previous prime is 747286957. The next prime is 747287059. The reversal of 747287040 is 40782747.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 747287040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40972 + ... + 56331.

Almost surely, 2^747287040 is an apocalyptic number.

It is an amenable number.

747287040 is an abundant number, since it is smaller than the sum of its proper divisors (1641720768).

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

747287040 is an equidigital number, since it uses as much as digits as its factorization.

747287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97329 (or 97313 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 747287040 is about 27336.5513552825. The cubic root of 747287040 is about 907.4634671752.

The spelling of 747287040 in words is "seven hundred forty-seven million, two hundred eighty-seven thousand, forty".