84740620 has 12 divisors (see below), whose sum is σ = 177955344. Its totient is φ = 33896240.

The previous prime is 84740611. The next prime is 84740653. The reversal of 84740620 is 2604748.

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, 2118496 + ... + 2118535.

It is an arithmetic number, because the mean of its divisors is an integer number (14829612).

Almost surely, 2^84740620 is an apocalyptic number.

It is an amenable number.

84740620 is an abundant number, since it is smaller than the sum of its proper divisors (93214724).

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

84740620 is a wasteful number, since it uses less digits than its factorization.

84740620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237040 (or 4237038 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 84740620 is about 9205.4668539950. The cubic root of 84740620 is about 439.2352763572.

The spelling of 84740620 in words is "eighty-four million, seven hundred forty thousand, six hundred twenty".