711881420 has 24 divisors (see below), whose sum is σ = 1495945584. Its totient is φ = 284563136.

The previous prime is 711881399. The next prime is 711881449. The reversal of 711881420 is 24188117.

It is a super-2 number, since 2×711881420² = 1013550312282432800, which contains 22 as substring.

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, 21227 + ... + 43293.

It is an arithmetic number, because the mean of its divisors is an integer number (62331066).

Almost surely, 2^711881420 is an apocalyptic number.

It is an amenable number.

711881420 is an abundant number, since it is smaller than the sum of its proper divisors (784064164).

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

711881420 is a wasteful number, since it uses less digits than its factorization.

711881420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689 (or 23687 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 711881420 is about 26681.1060490378. The cubic root of 711881420 is about 892.8994443166.

The spelling of 711881420 in words is "seven hundred eleven million, eight hundred eighty-one thousand, four hundred twenty".