747282864 has 80 divisors (see below), whose sum is σ = 1973123712. Its totient is φ = 243654144.

The previous prime is 747282827. The next prime is 747282911. The reversal of 747282864 is 468282747.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425412 + ... + 427164.

Almost surely, 2^747282864 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 747282864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986561856).

747282864 is an abundant number, since it is smaller than the sum of its proper divisors (1225840848).

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

747282864 is a wasteful number, since it uses less digits than its factorization.

747282864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1948 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 747282864 is about 27336.4749739245. The cubic root of 747282864 is about 907.4617768053.

The spelling of 747282864 in words is "seven hundred forty-seven million, two hundred eighty-two thousand, eight hundred sixty-four".