71660802 has 16 divisors (see below), whose sum is σ = 143694720. Its totient is φ = 23824752.

The previous prime is 71660791. The next prime is 71660819. The reversal of 71660802 is 20806617.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71660802.

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, 13018 + ... + 17685.

It is an arithmetic number, because the mean of its divisors is an integer number (8980920).

Almost surely, 2^71660802 is an apocalyptic number.

71660802 is an abundant number, since it is smaller than the sum of its proper divisors (72033918).

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

71660802 is a wasteful number, since it uses less digits than its factorization.

71660802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31097.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 71660802 is about 8465.2703441768. The cubic root of 71660802 is about 415.3624394566.

The spelling of 71660802 in words is "seventy-one million, six hundred sixty thousand, eight hundred two".