71624625 has 32 divisors (see below), whose sum is σ = 119733120. Its totient is φ = 38024000.

The previous prime is 71624611. The next prime is 71624647. The reversal of 71624625 is 52642617.

It is not a de Polignac number, because 71624625 - 2⁵ = 71624593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145630 + ... + 146120.

It is an arithmetic number, because the mean of its divisors is an integer number (3741660).

Almost surely, 2^71624625 is an apocalyptic number.

71624625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71624625 is a deficient number, since it is larger than the sum of its proper divisors (48108495).

71624625 is a wasteful number, since it uses less digits than its factorization.

71624625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 888 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 71624625 is about 8463.1332850192. The cubic root of 71624625 is about 415.2925309622.

The spelling of 71624625 in words is "seventy-one million, six hundred twenty-four thousand, six hundred twenty-five".