73121675 has 24 divisors (see below), whose sum is σ = 104738832. Its totient is φ = 50048000.

The previous prime is 73121663. The next prime is 73121683. The reversal of 73121675 is 57612137.

It is not a de Polignac number, because 73121675 - 2¹⁸ = 72859531 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3146 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (4364118).

Almost surely, 2^73121675 is an apocalyptic number.

73121675 is a deficient number, since it is larger than the sum of its proper divisors (31617157).

73121675 is a wasteful number, since it uses less digits than its factorization.

73121675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15674 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 73121675 is about 8551.1212715059. The cubic root of 73121675 is about 418.1659921619.

The spelling of 73121675 in words is "seventy-three million, one hundred twenty-one thousand, six hundred seventy-five".