71625379 has 4 divisors (see below), whose sum is σ = 81857584. Its totient is φ = 61393176.

The previous prime is 71625341. The next prime is 71625397. The reversal of 71625379 is 97352617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97352617 = 31 ⋅3140407.

It is a cyclic number.

It is not a de Polignac number, because 71625379 - 2⁷ = 71625251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71625329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116092 + ... + 5116105.

It is an arithmetic number, because the mean of its divisors is an integer number (20464396).

Almost surely, 2^71625379 is an apocalyptic number.

71625379 is a deficient number, since it is larger than the sum of its proper divisors (10232205).

71625379 is a wasteful number, since it uses less digits than its factorization.

71625379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232204.

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

The square root of 71625379 is about 8463.1778310514. The cubic root of 71625379 is about 415.2939882332.

The spelling of 71625379 in words is "seventy-one million, six hundred twenty-five thousand, three hundred seventy-nine".