73072475 has 18 divisors (see below), whose sum is σ = 105405084. Its totient is φ = 50106000.

The previous prime is 73072459. The next prime is 73072507. The reversal of 73072475 is 57427037.

It is not a de Polignac number, because 73072475 - 2⁴ = 73072459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28601 + ... + 31050.

It is an arithmetic number, because the mean of its divisors is an integer number (5855838).

Almost surely, 2^73072475 is an apocalyptic number.

73072475 is a deficient number, since it is larger than the sum of its proper divisors (32332609).

73072475 is a wasteful number, since it uses less digits than its factorization.

73072475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59675 (or 59663 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 73072475 is about 8548.2439717172. The cubic root of 73072475 is about 418.0721833019.

The spelling of 73072475 in words is "seventy-three million, seventy-two thousand, four hundred seventy-five".