84351672 has 64 divisors (see below), whose sum is σ = 244512000. Its totient is φ = 26893152.

The previous prime is 84351661. The next prime is 84351679. The reversal of 84351672 is 27615348.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84351679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (3820500).

Almost surely, 2^84351672 is an apocalyptic number.

It is an amenable number.

84351672 is an abundant number, since it is smaller than the sum of its proper divisors (160160328).

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

84351672 is a wasteful number, since it uses less digits than its factorization.

84351672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017 (or 17007 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 84351672 is about 9184.3166321725. The cubic root of 84351672 is about 438.5622353849.

The spelling of 84351672 in words is "eighty-four million, three hundred fifty-one thousand, six hundred seventy-two".