672406115 has 4 divisors (see below), whose sum is σ = 806887344. Its totient is φ = 537924888.

The previous prime is 672406099. The next prime is 672406129. The reversal of 672406115 is 511604276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672406115 - 2⁴ = 672406099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67240607 + ... + 67240616.

It is an arithmetic number, because the mean of its divisors is an integer number (201721836).

Almost surely, 2^672406115 is an apocalyptic number.

672406115 is a deficient number, since it is larger than the sum of its proper divisors (134481229).

672406115 is a wasteful number, since it uses less digits than its factorization.

672406115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134481228.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 672406115 is about 25930.7947236486. The cubic root of 672406115 is about 876.0802397084.

The spelling of 672406115 in words is "six hundred seventy-two million, four hundred six thousand, one hundred fifteen".