80717400 has 72 divisors (see below), whose sum is σ = 271081980. Its totient is φ = 21524160.

The previous prime is 80717389. The next prime is 80717431. The reversal of 80717400 is 471708.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20622 + ... + 24221.

Almost surely, 2^80717400 is an apocalyptic number.

It is an amenable number.

80717400 is an abundant number, since it is smaller than the sum of its proper divisors (190364580).

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

80717400 is a wasteful number, since it uses less digits than its factorization.

80717400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44865 (or 44853 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 80717400 is about 8984.2862821707. The cubic root of 80717400 is about 432.1710999199.

The spelling of 80717400 in words is "eighty million, seven hundred seventeen thousand, four hundred".