672064451 has 8 divisors (see below), whose sum is σ = 712086624. Its totient is φ = 632096640.

The previous prime is 672064441. The next prime is 672064483. The reversal of 672064451 is 154460276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672064451 - 2⁶ = 672064387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672064441) 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, 13421 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (89010828).

Almost surely, 2^672064451 is an apocalyptic number.

672064451 is a deficient number, since it is larger than the sum of its proper divisors (40022173).

672064451 is a wasteful number, since it uses less digits than its factorization.

672064451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27181.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 672064451 is about 25924.2058894771. The cubic root of 672064451 is about 875.9318295018.

The spelling of 672064451 in words is "six hundred seventy-two million, sixty-four thousand, four hundred fifty-one".