183273972 has 24 divisors (see below), whose sum is σ = 488730816. Its totient is φ = 52363968.

The previous prime is 183273971. The next prime is 183273989. The reversal of 183273972 is 279372381.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183273971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090833 + ... + 1091000.

It is an arithmetic number, because the mean of its divisors is an integer number (20363784).

Almost surely, 2^183273972 is an apocalyptic number.

183273972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

183273972 is an abundant number, since it is smaller than the sum of its proper divisors (305456844).

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

183273972 is a wasteful number, since it uses less digits than its factorization.

183273972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181847 (or 2181845 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 183273972 is about 13537.8717677484. The cubic root of 183273972 is about 568.0243203565.

The spelling of 183273972 in words is "one hundred eighty-three million, two hundred seventy-three thousand, nine hundred seventy-two".