83732920 has 16 divisors (see below), whose sum is σ = 188399160. Its totient is φ = 33493152.

The previous prime is 83732917. The next prime is 83732921. The reversal of 83732920 is 2923738.

It is a super-2 number, since 2×83732920² = 14022403783452800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83732921) 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, 1046622 + ... + 1046701.

Almost surely, 2^83732920 is an apocalyptic number.

It is an amenable number.

83732920 is an abundant number, since it is smaller than the sum of its proper divisors (104666240).

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

83732920 is a wasteful number, since it uses less digits than its factorization.

83732920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093334 (or 2093330 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 83732920 is about 9150.5693811915. The cubic root of 83732920 is about 437.4872616699.

The spelling of 83732920 in words is "eighty-three million, seven hundred thirty-two thousand, nine hundred twenty".