747131340 has 48 divisors (see below), whose sum is σ = 2112697440. Its totient is φ = 197260800.

The previous prime is 747131339. The next prime is 747131381. The reversal of 747131340 is 43131747.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 747131298 and 747131307.

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, 55585 + ... + 67704.

It is an arithmetic number, because the mean of its divisors is an integer number (44014530).

Almost surely, 2^747131340 is an apocalyptic number.

It is an amenable number.

747131340 is an abundant number, since it is smaller than the sum of its proper divisors (1365566100).

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

747131340 is a wasteful number, since it uses less digits than its factorization.

747131340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123402 (or 123400 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 747131340 is about 27333.7033714790. The cubic root of 747131340 is about 907.4004383486.

The spelling of 747131340 in words is "seven hundred forty-seven million, one hundred thirty-one thousand, three hundred forty".