73721674 has 16 divisors (see below), whose sum is σ = 119232288. Its totient is φ = 33984432.

The previous prime is 73721663. The next prime is 73721677. The reversal of 73721674 is 47612737.

It is not an unprimeable number, because it can be changed into a prime (73721677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36109 + ... + 38095.

It is an arithmetic number, because the mean of its divisors is an integer number (7452018).

Almost surely, 2^73721674 is an apocalyptic number.

73721674 is a deficient number, since it is larger than the sum of its proper divisors (45510614).

73721674 is a wasteful number, since it uses less digits than its factorization.

73721674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its digits is 49392, while the sum is 37.

The square root of 73721674 is about 8586.1326567903. The cubic root of 73721674 is about 419.3066299569.

The spelling of 73721674 in words is "seventy-three million, seven hundred twenty-one thousand, six hundred seventy-four".