672053520 has 160 divisors (see below), whose sum is σ = 2225000448. Its totient is φ = 167215104.

The previous prime is 672053497. The next prime is 672053521. The reversal of 672053520 is 25350276.

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

It is not an unprimeable number, because it can be changed into a prime (672053521) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 517512 + ... + 518808.

Almost surely, 2^672053520 is an apocalyptic number.

672053520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112500224).

672053520 is an abundant number, since it is smaller than the sum of its proper divisors (1552946928).

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

672053520 is a wasteful number, since it uses less digits than its factorization.

672053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 672053520 is about 25923.9950624899. The cubic root of 672053520 is about 875.9270805214.

The spelling of 672053520 in words is "six hundred seventy-two million, fifty-three thousand, five hundred twenty".