71350980 has 48 divisors (see below), whose sum is σ = 202776000. Its totient is φ = 18741888.

The previous prime is 71350967. The next prime is 71350997. The reversal of 71350980 is 8905317.

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, 4855 + ... + 12894.

It is an arithmetic number, because the mean of its divisors is an integer number (4224500).

Almost surely, 2^71350980 is an apocalyptic number.

It is an amenable number.

71350980 is an abundant number, since it is smaller than the sum of its proper divisors (131425020).

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

71350980 is a wasteful number, since it uses less digits than its factorization.

71350980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828 (or 17826 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 71350980 is about 8446.9509291815. The cubic root of 71350980 is about 414.7629749226.

The spelling of 71350980 in words is "seventy-one million, three hundred fifty thousand, nine hundred eighty".