72307701 has 16 divisors (see below), whose sum is σ = 110817600. Its totient is φ = 46542384.

The previous prime is 72307693. The next prime is 72307727. The reversal of 72307701 is 10770327.

It is not a de Polignac number, because 72307701 - 2³ = 72307693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72307771) 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, 45391 + ... + 46956.

It is an arithmetic number, because the mean of its divisors is an integer number (6926100).

Almost surely, 2^72307701 is an apocalyptic number.

It is an amenable number.

72307701 is a deficient number, since it is larger than the sum of its proper divisors (38509899).

72307701 is a wasteful number, since it uses less digits than its factorization.

72307701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92385 (or 92379 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 72307701 is about 8503.3934990685. The cubic root of 72307701 is about 416.6085555936.

The spelling of 72307701 in words is "seventy-two million, three hundred seven thousand, seven hundred one".