71904757230 has 24 divisors (see below), whose sum is σ = 186952369032. Its totient is φ = 19174601904.

The previous prime is 71904757219. The next prime is 71904757289. The reversal of 71904757230 is 3275740917.

71904757230 is a `hidden beast` number, since 7 + 1 + 9 + 0 + 47 + 572 + 30 = 666.

It is a super-2 number, since 2×71904757230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399470784 + ... + 399470963.

It is an arithmetic number, because the mean of its divisors is an integer number (7789682043).

Almost surely, 2^71904757230 is an apocalyptic number.

71904757230 is an abundant number, since it is smaller than the sum of its proper divisors (115047611802).

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

71904757230 is a wasteful number, since it uses less digits than its factorization.

71904757230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798941760 (or 798941757 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 71904757230 in words is "seventy-one billion, nine hundred four million, seven hundred fifty-seven thousand, two hundred thirty".