73403272 has 16 divisors (see below), whose sum is σ = 137779200. Its totient is φ = 36662160.

The previous prime is 73403269. The next prime is 73403273. The reversal of 73403272 is 27230437.

It is a self number, because there is not a number n which added to its sum of digits gives 73403272.

It is not an unprimeable number, because it can be changed into a prime (73403273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (8611200).

Almost surely, 2^73403272 is an apocalyptic number.

It is an amenable number.

73403272 is a deficient number, since it is larger than the sum of its proper divisors (64375928).

73403272 is a wasteful number, since it uses less digits than its factorization.

73403272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876 (or 9872 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 73403272 is about 8567.5709509755. The cubic root of 73403272 is about 418.7021006473.

The spelling of 73403272 in words is "seventy-three million, four hundred three thousand, two hundred seventy-two".