71750125 has 16 divisors (see below), whose sum is σ = 89794224. Its totient is φ = 57240000.

The previous prime is 71750111. The next prime is 71750131. The reversal of 71750125 is 52105717.

It can be written as a sum of positive squares in 8 ways, for example, as 21325924 + 50424201 = 4618^2 + 7101^2 .

It is not a de Polignac number, because 71750125 - 2⁵ = 71750093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71750093 and 71750102.

It is a congruent number.

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, 67095 + ... + 68155.

It is an arithmetic number, because the mean of its divisors is an integer number (5612139).

Almost surely, 2^71750125 is an apocalyptic number.

It is an amenable number.

71750125 is a deficient number, since it is larger than the sum of its proper divisors (18044099).

71750125 is a wasteful number, since it uses less digits than its factorization.

71750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 71750125 is about 8470.5445515622. The cubic root of 71750125 is about 415.5349466644.

The spelling of 71750125 in words is "seventy-one million, seven hundred fifty thousand, one hundred twenty-five".