83474280 has 64 divisors (see below), whose sum is σ = 278251200. Its totient is φ = 22259520.

The previous prime is 83474273. The next prime is 83474297. The reversal of 83474280 is 8247438.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37566 + ... + 39725.

It is an arithmetic number, because the mean of its divisors is an integer number (4347675).

Almost surely, 2^83474280 is an apocalyptic number.

It is an amenable number.

83474280 is an abundant number, since it is smaller than the sum of its proper divisors (194776920).

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

83474280 is a wasteful number, since it uses less digits than its factorization.

83474280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77311 (or 77301 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 83474280 is about 9136.4259970735. The cubic root of 83474280 is about 437.0363501715.

The spelling of 83474280 in words is "eighty-three million, four hundred seventy-four thousand, two hundred eighty".