73785972 has 48 divisors (see below), whose sum is σ = 185955392. Its totient is φ = 22636800.

The previous prime is 73785923. The next prime is 73785973. The reversal of 73785972 is 27958737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73785973) 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 15 ways as a sum of consecutive naturals, for example, 93363 + ... + 94149.

Almost surely, 2^73785972 is an apocalyptic number.

It is an amenable number.

73785972 is an abundant number, since it is smaller than the sum of its proper divisors (112169420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73785972 is a wasteful number, since it uses less digits than its factorization.

73785972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 73785972 is about 8589.8761341477. The cubic root of 73785972 is about 419.4284970730.

The spelling of 73785972 in words is "seventy-three million, seven hundred eighty-five thousand, nine hundred seventy-two".