672633801 has 80 divisors (see below), whose sum is σ = 1251043200. Its totient is φ = 351412992.

The previous prime is 672633799. The next prime is 672633811. The reversal of 672633801 is 108336276.

It is a happy number.

It is not a de Polignac number, because 672633801 - 2¹ = 672633799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672633811) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 311341 + ... + 313493.

It is an arithmetic number, because the mean of its divisors is an integer number (15638040).

Almost surely, 2^672633801 is an apocalyptic number.

It is an amenable number.

672633801 is a deficient number, since it is larger than the sum of its proper divisors (578409399).

672633801 is a wasteful number, since it uses less digits than its factorization.

672633801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 672633801 is about 25935.1846147275. The cubic root of 672633801 is about 876.1791128401.

The spelling of 672633801 in words is "six hundred seventy-two million, six hundred thirty-three thousand, eight hundred one".