71500116 has 24 divisors (see below), whose sum is σ = 175614880. Its totient is φ = 22578912.

The previous prime is 71500081. The next prime is 71500139. The reversal of 71500116 is 61100517.

It is a super-2 number, since 2×71500116² = 10224533176026912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71500092 and 71500101.

It is a congruent number.

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, 156571 + ... + 157026.

Almost surely, 2^71500116 is an apocalyptic number.

71500116 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71500116 is an abundant number, since it is smaller than the sum of its proper divisors (104114764).

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

71500116 is a wasteful number, since it uses less digits than its factorization.

71500116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313623 (or 313621 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 71500116 is about 8455.7741218649. The cubic root of 71500116 is about 415.0517494861.

The spelling of 71500116 in words is "seventy-one million, five hundred thousand, one hundred sixteen".