73572745 has 16 divisors (see below), whose sum is σ = 93871872. Its totient is φ = 55232320.

The previous prime is 73572727. The next prime is 73572781. The reversal of 73572745 is 54727537.

It is a happy number.

It is not a de Polignac number, because 73572745 - 2¹⁷ = 73441673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73572698 and 73572707.

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, 60 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (5866992).

Almost surely, 2^73572745 is an apocalyptic number.

It is an amenable number.

73572745 is a deficient number, since it is larger than the sum of its proper divisors (20299127).

73572745 is a wasteful number, since it uses less digits than its factorization.

73572745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12152.

The product of its digits is 205800, while the sum is 40.

The square root of 73572745 is about 8577.4556250674. The cubic root of 73572745 is about 419.0240852103.

The spelling of 73572745 in words is "seventy-three million, five hundred seventy-two thousand, seven hundred forty-five".