84642672 has 40 divisors (see below), whose sum is σ = 219945744. Its totient is φ = 28048384.

The previous prime is 84642661. The next prime is 84642673. The reversal of 84642672 is 27624648.

It is a self number, because there is not a number n which added to its sum of digits gives 84642672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84642673) 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, 3208 + ... + 13400.

Almost surely, 2^84642672 is an apocalyptic number.

It is an amenable number.

84642672 is an abundant number, since it is smaller than the sum of its proper divisors (135303072).

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

84642672 is a wasteful number, since it uses less digits than its factorization.

84642672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377 (or 10371 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 84642672 is about 9200.1452162452. The cubic root of 84642672 is about 439.0659801238.

The spelling of 84642672 in words is "eighty-four million, six hundred forty-two thousand, six hundred seventy-two".