672632500 has 60 divisors (see below), whose sum is σ = 1484552916. Its totient is φ = 266560000.

The previous prime is 672632491. The next prime is 672632549. The reversal of 672632500 is 5236276.

It can be written as a sum of positive squares in 10 ways, for example, as 645363216 + 27269284 = 25404^2 + 5222^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 281310 + ... + 283690.

Almost surely, 2^672632500 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 672632500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742276458).

672632500 is an abundant number, since it is smaller than the sum of its proper divisors (811920416).

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

672632500 is a wasteful number, since it uses less digits than its factorization.

672632500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 672632500 is about 25935.1595329583. The cubic root of 672632500 is about 876.1785479414.

Adding to 672632500 its reverse (5236276), we get a palindrome (677868776).

The spelling of 672632500 in words is "six hundred seventy-two million, six hundred thirty-two thousand, five hundred".