71672358025 has 12 divisors (see below), whose sum is σ = 89513107600. Its totient is φ = 56925380880.

The previous prime is 71672357963. The next prime is 71672358031. The reversal of 71672358025 is 52085327617.

It is not a de Polignac number, because 71672358025 - 2⁹ = 71672357513 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10309095 + ... + 10316044.

Almost surely, 2^71672358025 is an apocalyptic number.

It is an amenable number.

71672358025 is a deficient number, since it is larger than the sum of its proper divisors (17840749575).

71672358025 is a wasteful number, since it uses less digits than its factorization.

71672358025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625288 (or 20625283 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 71672358025 in words is "seventy-one billion, six hundred seventy-two million, three hundred fifty-eight thousand, twenty-five".