672733377 has 8 divisors (see below), whose sum is σ = 996642080. Its totient is φ = 448488900.

The previous prime is 672733349. The next prime is 672733393. The reversal of 672733377 is 773337276.

It is a happy number.

672733377 is a `hidden beast` number, since 6 + 7 + 273 + 3 + 377 = 666.

It is not a de Polignac number, because 672733377 - 2⁷ = 672733249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672733777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12457999 + ... + 12458052.

It is an arithmetic number, because the mean of its divisors is an integer number (124580260).

Almost surely, 2^672733377 is an apocalyptic number.

It is an amenable number.

672733377 is a deficient number, since it is larger than the sum of its proper divisors (323908703).

672733377 is a wasteful number, since it uses less digits than its factorization.

672733377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24916060 (or 24916054 counting only the distinct ones).

The product of its digits is 777924, while the sum is 45.

The square root of 672733377 is about 25937.1042524026. The cubic root of 672733377 is about 876.2223469180. Note that the first 3 decimals are identical.

It can be divided in two parts, 6727 and 33377, that added together give a palindrome (40104).

The spelling of 672733377 in words is "six hundred seventy-two million, seven hundred thirty-three thousand, three hundred seventy-seven".