83740580 has 48 divisors (see below), whose sum is σ = 219252096. Its totient is φ = 26100480.

The previous prime is 83740519. The next prime is 83740633. The reversal of 83740580 is 8504738.

83740580 = T₂₅ + T₂₆ + ... + T₇₉₄.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 83740580.

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, 25649 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (4567752).

Almost surely, 2^83740580 is an apocalyptic number.

It is an amenable number.

83740580 is an abundant number, since it is smaller than the sum of its proper divisors (135511516).

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

83740580 is a wasteful number, since it uses less digits than its factorization.

83740580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54404 (or 54402 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 83740580 is about 9150.9879248090. The cubic root of 83740580 is about 437.5006019039.

The spelling of 83740580 in words is "eighty-three million, seven hundred forty thousand, five hundred eighty".