72635007 has 4 divisors (see below), whose sum is σ = 96846680. Its totient is φ = 48423336.

The previous prime is 72634997. The next prime is 72635009. The reversal of 72635007 is 70053627.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72635007 - 2¹⁰ = 72633983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72635009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12105832 + ... + 12105837.

It is an arithmetic number, because the mean of its divisors is an integer number (24211670).

Almost surely, 2^72635007 is an apocalyptic number.

72635007 is a deficient number, since it is larger than the sum of its proper divisors (24211673).

72635007 is a wasteful number, since it uses less digits than its factorization.

72635007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24211672.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 72635007 is about 8522.6173796551. The cubic root of 72635007 is about 417.2362123456.

The spelling of 72635007 in words is "seventy-two million, six hundred thirty-five thousand, seven".