672101407 has 6 divisors (see below), whose sum is σ = 681706064. Its totient is φ = 662630220.

The previous prime is 672101351. The next prime is 672101429. The reversal of 672101407 is 704101276.

672101407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672101407 - 2¹¹ = 672099359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672101467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61623 + ... + 71704.

Almost surely, 2^672101407 is an apocalyptic number.

672101407 is a deficient number, since it is larger than the sum of its proper divisors (9604657).

672101407 is an equidigital number, since it uses as much as digits as its factorization.

672101407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133469 (or 133398 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 672101407 is about 25924.9186498241. The cubic root of 672101407 is about 875.9478846799.

The spelling of 672101407 in words is "six hundred seventy-two million, one hundred one thousand, four hundred seven".