672444760 has 64 divisors (see below), whose sum is σ = 1636790400. Its totient is φ = 247159296.

The previous prime is 672444737. The next prime is 672444791. The reversal of 672444760 is 67444276.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116257 + ... + 121903.

It is an arithmetic number, because the mean of its divisors is an integer number (25574850).

Almost surely, 2^672444760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672444760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818395200).

672444760 is an abundant number, since it is smaller than the sum of its proper divisors (964345640).

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

672444760 is a wasteful number, since it uses less digits than its factorization.

672444760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 672444760 is about 25931.5398694331. The cubic root of 672444760 is about 876.0970229546.

The spelling of 672444760 in words is "six hundred seventy-two million, four hundred forty-four thousand, seven hundred sixty".