672430145 has 16 divisors (see below), whose sum is σ = 846612480. Its totient is φ = 512049600.

The previous prime is 672430111. The next prime is 672430177. The reversal of 672430145 is 541034276.

It is not a de Polignac number, because 672430145 - 2²⁴ = 655652929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26105 + ... + 45014.

It is an arithmetic number, because the mean of its divisors is an integer number (52913280).

Almost surely, 2^672430145 is an apocalyptic number.

It is an amenable number.

672430145 is a deficient number, since it is larger than the sum of its proper divisors (174182335).

672430145 is a wasteful number, since it uses less digits than its factorization.

672430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71216.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 672430145 is about 25931.2580682080. The cubic root of 672430145 is about 876.0906758406.

The spelling of 672430145 in words is "six hundred seventy-two million, four hundred thirty thousand, one hundred forty-five".