71752651523 has 24 divisors (see below), whose sum is σ = 87196232448. Its totient is φ = 58760822736.

The previous prime is 71752651483. The next prime is 71752651559. The reversal of 71752651523 is 32515625717.

It is not a de Polignac number, because 71752651523 - 2¹² = 71752647427 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71752650523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959090 + ... + 1031192.

It is an arithmetic number, because the mean of its divisors is an integer number (3633176352).

Almost surely, 2^71752651523 is an apocalyptic number.

71752651523 is a deficient number, since it is larger than the sum of its proper divisors (15443580925).

71752651523 is a wasteful number, since it uses less digits than its factorization.

71752651523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73023 (or 73016 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The spelling of 71752651523 in words is "seventy-one billion, seven hundred fifty-two million, six hundred fifty-one thousand, five hundred twenty-three".