23772620729 has 16 divisors (see below), whose sum is σ = 28199842944. Its totient is φ = 19755360000.

The previous prime is 23772620717. The next prime is 23772620741. The reversal of 23772620729 is 92702627732.

It is an interprime number because it is at equal distance from previous prime (23772620717) and next prime (23772620741).

It is a cyclic number.

It is not a de Polignac number, because 23772620729 - 2¹² = 23772616633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23772620329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792272 + ... + 821729.

It is an arithmetic number, because the mean of its divisors is an integer number (1762490184).

Almost surely, 2^23772620729 is an apocalyptic number.

It is an amenable number.

23772620729 is a deficient number, since it is larger than the sum of its proper divisors (4427222215).

23772620729 is a wasteful number, since it uses less digits than its factorization.

23772620729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614128.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 23772620729 in words is "twenty-three billion, seven hundred seventy-two million, six hundred twenty thousand, seven hundred twenty-nine".