73749272 has 32 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 36161280.

The previous prime is 73749239. The next prime is 73749323. The reversal of 73749272 is 27294737.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170897 + ... + 171327.

It is an arithmetic number, because the mean of its divisors is an integer number (4405590).

Almost surely, 2^73749272 is an apocalyptic number.

It is an amenable number.

73749272 is a deficient number, since it is larger than the sum of its proper divisors (67229608).

73749272 is a wasteful number, since it uses less digits than its factorization.

73749272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 799 counting only the distinct ones).

The product of its digits is 148176, while the sum is 41.

The square root of 73749272 is about 8587.7396327555. The cubic root of 73749272 is about 419.3589464605.

The spelling of 73749272 in words is "seventy-three million, seven hundred forty-nine thousand, two hundred seventy-two".