71501460 has 24 divisors (see below), whose sum is σ = 200204256. Its totient is φ = 19067040.

The previous prime is 71501459. The next prime is 71501471. The reversal of 71501460 is 6410517.

It is a super-2 number, since 2×71501460² = 10224917564263200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71501460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595786 + ... + 595905.

It is an arithmetic number, because the mean of its divisors is an integer number (8341844).

Almost surely, 2^71501460 is an apocalyptic number.

It is an amenable number.

71501460 is an abundant number, since it is smaller than the sum of its proper divisors (128702796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71501460 is a wasteful number, since it uses less digits than its factorization.

71501460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191703 (or 1191701 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71501460 is about 8455.8535938130. The cubic root of 71501460 is about 415.0543500696.

Adding to 71501460 its reverse (6410517), we get a palindrome (77911977).

The spelling of 71501460 in words is "seventy-one million, five hundred one thousand, four hundred sixty".