71157465 has 24 divisors (see below), whose sum is σ = 124320768. Its totient is φ = 37648800.

The previous prime is 71157409. The next prime is 71157491. The reversal of 71157465 is 56475117.

It is not a de Polignac number, because 71157465 - 2⁸ = 71157209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (5180032).

Almost surely, 2^71157465 is an apocalyptic number.

It is an amenable number.

71157465 is a deficient number, since it is larger than the sum of its proper divisors (53163303).

71157465 is a wasteful number, since it uses less digits than its factorization.

71157465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589 (or 12586 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 71157465 is about 8435.4884268784. The cubic root of 71157465 is about 414.3876681016.

The spelling of 71157465 in words is "seventy-one million, one hundred fifty-seven thousand, four hundred sixty-five".