672845754 has 72 divisors (see below), whose sum is σ = 1663104960. Its totient is φ = 180910464.

The previous prime is 672845753. The next prime is 672845783. The reversal of 672845754 is 457548276.

It is not an unprimeable number, because it can be changed into a prime (672845753) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81007 + ... + 88925.

It is an arithmetic number, because the mean of its divisors is an integer number (23098680).

Almost surely, 2^672845754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672845754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831552480).

672845754 is an abundant number, since it is smaller than the sum of its proper divisors (990259206).

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

672845754 is a wasteful number, since it uses less digits than its factorization.

672845754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7948 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The square root of 672845754 is about 25939.2704986089. The cubic root of 672845754 is about 876.2711338320.

The spelling of 672845754 in words is "six hundred seventy-two million, eight hundred forty-five thousand, seven hundred fifty-four".