71963725 has 12 divisors (see below), whose sum is σ = 91311616. Its totient is φ = 56231280.

The previous prime is 71963719. The next prime is 71963729. The reversal of 71963725 is 52736917.

It is not a de Polignac number, because 71963725 - 2⁷ = 71963597 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71963729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32397 + ... + 34546.

Almost surely, 2^71963725 is an apocalyptic number.

It is an amenable number.

71963725 is a deficient number, since it is larger than the sum of its proper divisors (19347891).

71963725 is a wasteful number, since it uses less digits than its factorization.

71963725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66996 (or 66991 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 71963725 is about 8483.1435800651. The cubic root of 71963725 is about 415.9468870954.

The spelling of 71963725 in words is "seventy-one million, nine hundred sixty-three thousand, seven hundred twenty-five".