672038573 has 2 divisors, whose sum is σ = 672038574. Its totient is φ = 672038572.

The previous prime is 672038539. The next prime is 672038579. The reversal of 672038573 is 375830276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636956644 + 35081929 = 25238^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 672038573 - 2⁸ = 672038317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672038573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672038579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336019286 + 336019287.

It is an arithmetic number, because the mean of its divisors is an integer number (336019287).

Almost surely, 2^672038573 is an apocalyptic number.

It is an amenable number.

672038573 is a deficient number, since it is larger than the sum of its proper divisors (1).

672038573 is an equidigital number, since it uses as much as digits as its factorization.

672038573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 672038573 is about 25923.7067758452. The cubic root of 672038573 is about 875.9205867037.

The spelling of 672038573 in words is "six hundred seventy-two million, thirty-eight thousand, five hundred seventy-three".