672831451 has 2 divisors, whose sum is σ = 672831452. Its totient is φ = 672831450.

The previous prime is 672831433. The next prime is 672831517. The reversal of 672831451 is 154138276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672831451 - 2¹³ = 672823259 is a prime.

It is a super-2 number, since 2×672831451² = 905404322909530802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 672831451.

It is not a weakly prime, because it can be changed into another prime (672831251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336415725 + 336415726.

It is an arithmetic number, because the mean of its divisors is an integer number (336415726).

Almost surely, 2^672831451 is an apocalyptic number.

672831451 is a deficient number, since it is larger than the sum of its proper divisors (1).

672831451 is an equidigital number, since it uses as much as digits as its factorization.

672831451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 672831451 is about 25938.9947954812. The cubic root of 672831451 is about 876.2649246849.

The spelling of 672831451 in words is "six hundred seventy-two million, eight hundred thirty-one thousand, four hundred fifty-one".