747627864 has 16 divisors (see below), whose sum is σ = 1869069720. Its totient is φ = 249209280.

The previous prime is 747627863. The next prime is 747627901. The reversal of 747627864 is 468726747.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747627863) 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, 15575557 + ... + 15575604.

Almost surely, 2^747627864 is an apocalyptic number.

It is an amenable number.

747627864 is an abundant number, since it is smaller than the sum of its proper divisors (1121441856).

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

747627864 is a wasteful number, since it uses less digits than its factorization.

747627864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31151170 (or 31151166 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The square root of 747627864 is about 27342.7844960970. The cubic root of 747627864 is about 907.6014053901.

The spelling of 747627864 in words is "seven hundred forty-seven million, six hundred twenty-seven thousand, eight hundred sixty-four".