72938005 has 32 divisors (see below), whose sum is σ = 102850560. Its totient is φ = 48625920.

The previous prime is 72938003. The next prime is 72938027. The reversal of 72938005 is 50083927.

It is not a de Polignac number, because 72938005 - 2¹ = 72938003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72938003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271011 + ... + 271279.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^72938005 is an apocalyptic number.

It is an amenable number.

72938005 is a deficient number, since it is larger than the sum of its proper divisors (29912555).

72938005 is a wasteful number, since it uses less digits than its factorization.

72938005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 72938005 is about 8540.3749917670. The cubic root of 72938005 is about 417.8155764810.

The spelling of 72938005 in words is "seventy-two million, nine hundred thirty-eight thousand, five".