672238519 has 2 divisors, whose sum is σ = 672238520. Its totient is φ = 672238518.

The previous prime is 672238471. The next prime is 672238547. The reversal of 672238519 is 915832276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672238519 is a prime.

It is a super-2 number, since 2×672238519² = 903809252854626722, which contains 22 as substring.

It is equal to p_34888417 and since 672238519 and 34888417 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672238019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336119259 + 336119260.

It is an arithmetic number, because the mean of its divisors is an integer number (336119260).

Almost surely, 2^672238519 is an apocalyptic number.

672238519 is a deficient number, since it is larger than the sum of its proper divisors (1).

672238519 is an equidigital number, since it uses as much as digits as its factorization.

672238519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 672238519 is about 25927.5629205678. The cubic root of 672238519 is about 876.0074465252.

The spelling of 672238519 in words is "six hundred seventy-two million, two hundred thirty-eight thousand, five hundred nineteen".