72548635 has 4 divisors (see below), whose sum is σ = 87058368. Its totient is φ = 58038904.

The previous prime is 72548629. The next prime is 72548659. The reversal of 72548635 is 53684527.

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

It is a cyclic number.

It is not a de Polignac number, because 72548635 - 2³ = 72548627 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7254859 + ... + 7254868.

It is an arithmetic number, because the mean of its divisors is an integer number (21764592).

Almost surely, 2^72548635 is an apocalyptic number.

72548635 is a deficient number, since it is larger than the sum of its proper divisors (14509733).

72548635 is a wasteful number, since it uses less digits than its factorization.

72548635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14509732.

The product of its digits is 201600, while the sum is 40.

The square root of 72548635 is about 8517.5486496996. The cubic root of 72548635 is about 417.0707649421.

The spelling of 72548635 in words is "seventy-two million, five hundred forty-eight thousand, six hundred thirty-five".