72573605 has 16 divisors (see below), whose sum is σ = 93967104. Its totient is φ = 53490240.

The previous prime is 72573583. The next prime is 72573619. The reversal of 72573605 is 50637527.

It is not a de Polignac number, because 72573605 - 2⁶ = 72573541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58340 + ... + 59570.

It is an arithmetic number, because the mean of its divisors is an integer number (5872944).

Almost surely, 2^72573605 is an apocalyptic number.

It is an amenable number.

72573605 is a deficient number, since it is larger than the sum of its proper divisors (21393499).

72573605 is a wasteful number, since it uses less digits than its factorization.

72573605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 72573605 is about 8519.0143209176. The cubic root of 72573605 is about 417.1186089961.

The spelling of 72573605 in words is "seventy-two million, five hundred seventy-three thousand, six hundred five".