71863925 has 12 divisors (see below), whose sum is σ = 101841696. Its totient is φ = 49278000.

The previous prime is 71863889. The next prime is 71863931. The reversal of 71863925 is 52936817.

It is not a de Polignac number, because 71863925 - 2⁸ = 71863669 is a prime.

It is a Duffinian number.

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, 205151 + ... + 205500.

It is an arithmetic number, because the mean of its divisors is an integer number (8486808).

Almost surely, 2^71863925 is an apocalyptic number.

It is an amenable number.

71863925 is a deficient number, since it is larger than the sum of its proper divisors (29977771).

71863925 is a wasteful number, since it uses less digits than its factorization.

71863925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410668 (or 410663 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 71863925 is about 8477.2592858777. The cubic root of 71863925 is about 415.7545184002.

It can be divided in two parts, 7186 and 3925, that added together give a palindrome (11111).

The spelling of 71863925 in words is "seventy-one million, eight hundred sixty-three thousand, nine hundred twenty-five".