83750440 has 16 divisors (see below), whose sum is σ = 188438580. Its totient is φ = 33500160.

The previous prime is 83750411. The next prime is 83750453. The reversal of 83750440 is 4405738.

It can be written as a sum of positive squares in 2 ways, for example, as 83649316 + 101124 = 9146^2 + 318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046841 + ... + 1046920.

Almost surely, 2^83750440 is an apocalyptic number.

It is an amenable number.

83750440 is an abundant number, since it is smaller than the sum of its proper divisors (104688140).

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

83750440 is a wasteful number, since it uses less digits than its factorization.

83750440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093772 (or 2093768 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 83750440 is about 9151.5266485980. The cubic root of 83750440 is about 437.5177723393.

The spelling of 83750440 in words is "eighty-three million, seven hundred fifty thousand, four hundred forty".