71652513 has 8 divisors (see below), whose sum is σ = 95630976. Its totient is φ = 47721200.

The previous prime is 71652479. The next prime is 71652517. The reversal of 71652513 is 31525617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71652513 - 2⁹ = 71652001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71652517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8073 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (11953872).

Almost surely, 2^71652513 is an apocalyptic number.

It is an amenable number.

71652513 is a deficient number, since it is larger than the sum of its proper divisors (23978463).

71652513 is a wasteful number, since it uses less digits than its factorization.

71652513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23575.

The product of its digits is 6300, while the sum is 30.

The square root of 71652513 is about 8464.7807414014. The cubic root of 71652513 is about 415.3464238576.

The spelling of 71652513 in words is "seventy-one million, six hundred fifty-two thousand, five hundred thirteen".