73738472 has 8 divisors (see below), whose sum is σ = 138259650. Its totient is φ = 36869232.

The previous prime is 73738471. The next prime is 73738477. The reversal of 73738472 is 27483737.

It can be written as a sum of positive squares in only one way, i.e., 38763076 + 34975396 = 6226^2 + 5914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (73738471) by changing a digit.

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 as a sum of consecutive naturals, namely, 4608647 + ... + 4608662.

Almost surely, 2^73738472 is an apocalyptic number.

It is an amenable number.

73738472 is a deficient number, since it is larger than the sum of its proper divisors (64521178).

73738472 is a wasteful number, since it uses less digits than its factorization.

73738472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217315 (or 9217311 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The square root of 73738472 is about 8587.1108063190. The cubic root of 73738472 is about 419.3384748563.

The spelling of 73738472 in words is "seventy-three million, seven hundred thirty-eight thousand, four hundred seventy-two".