672595545 has 16 divisors (see below), whose sum is σ = 1078155072. Its totient is φ = 358050240.

The previous prime is 672595541. The next prime is 672595559. The reversal of 672595545 is 545595276.

It is not a de Polignac number, because 672595545 - 2² = 672595541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672595494 and 672595503.

It is not an unprimeable number, because it can be changed into a prime (672595541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33327 + ... + 49556.

It is an arithmetic number, because the mean of its divisors is an integer number (67384692).

Almost surely, 2^672595545 is an apocalyptic number.

It is an amenable number.

672595545 is a deficient number, since it is larger than the sum of its proper divisors (405559527).

672595545 is a wasteful number, since it uses less digits than its factorization.

672595545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83432.

The product of its digits is 1890000, while the sum is 48.

The square root of 672595545 is about 25934.4470733424. The cubic root of 672595545 is about 876.1625016501.

The spelling of 672595545 in words is "six hundred seventy-two million, five hundred ninety-five thousand, five hundred forty-five".