84730940 has 24 divisors (see below), whose sum is σ = 203354592. Its totient is φ = 29050560.

The previous prime is 84730883. The next prime is 84730949. The reversal of 84730940 is 4903748.

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 84730940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84730949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302471 + ... + 302750.

It is an arithmetic number, because the mean of its divisors is an integer number (8473108).

Almost surely, 2^84730940 is an apocalyptic number.

It is an amenable number.

84730940 is an abundant number, since it is smaller than the sum of its proper divisors (118623652).

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

84730940 is a wasteful number, since it uses less digits than its factorization.

84730940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605237 (or 605235 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 84730940 is about 9204.9410644501. The cubic root of 84730940 is about 439.2185509686.

The spelling of 84730940 in words is "eighty-four million, seven hundred thirty thousand, nine hundred forty".