84345372 has 36 divisors (see below), whose sum is σ = 213671640. Its totient is φ = 28053792.

The previous prime is 84345367. The next prime is 84345379. The reversal of 84345372 is 27354348.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×84345372² = 14228283555636768, which contains 22 as substring.

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 (84345379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16023 + ... + 20625.

Almost surely, 2^84345372 is an apocalyptic number.

It is an amenable number.

84345372 is an abundant number, since it is smaller than the sum of its proper divisors (129326268).

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

84345372 is a wasteful number, since it uses less digits than its factorization.

84345372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5117 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 84345372 is about 9183.9736497880. The cubic root of 84345372 is about 438.5513167676.

The spelling of 84345372 in words is "eighty-four million, three hundred forty-five thousand, three hundred seventy-two".