84072630 has 32 divisors (see below), whose sum is σ = 202445568. Its totient is φ = 22344800.

The previous prime is 84072623. The next prime is 84072641. The reversal of 84072630 is 3627048.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 4825 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (6326424).

Almost surely, 2^84072630 is an apocalyptic number.

84072630 is an abundant number, since it is smaller than the sum of its proper divisors (118372938).

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

84072630 is a wasteful number, since it uses less digits than its factorization.

84072630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 84072630 is about 9169.1128251320. The cubic root of 84072630 is about 438.0781016248.

Adding to 84072630 its reverse (3627048), we get a palindrome (87699678).

The spelling of 84072630 in words is "eighty-four million, seventy-two thousand, six hundred thirty".