72037701 has 8 divisors (see below), whose sum is σ = 106722560. Its totient is φ = 48025116.

The previous prime is 72037681. The next prime is 72037709. The reversal of 72037701 is 10773027.

It is not a de Polignac number, because 72037701 - 2¹³ = 72029509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2668063 = 72037701 / (7 + 2 + 0 + 3 + 7 + 7 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72037709) 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, 1334005 + ... + 1334058.

It is an arithmetic number, because the mean of its divisors is an integer number (13340320).

Almost surely, 2^72037701 is an apocalyptic number.

It is an amenable number.

72037701 is a deficient number, since it is larger than the sum of its proper divisors (34684859).

72037701 is a wasteful number, since it uses less digits than its factorization.

72037701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668072 (or 2668066 counting only the distinct ones).

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

The square root of 72037701 is about 8487.5026362293. The cubic root of 72037701 is about 416.0893641997.

The spelling of 72037701 in words is "seventy-two million, thirty-seven thousand, seven hundred one".