673264370 has 16 divisors (see below), whose sum is σ = 1213311960. Its totient is φ = 268986624.

The previous prime is 673264363. The next prime is 673264393. The reversal of 673264370 is 73462376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 559180609 + 114083761 = 23647^2 + 10681^2 .

It is a super-2 number, since 2×673264370² = 906569823822993800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30935 + ... + 47994.

Almost surely, 2^673264370 is an apocalyptic number.

673264370 is a deficient number, since it is larger than the sum of its proper divisors (540047590).

673264370 is a wasteful number, since it uses less digits than its factorization.

673264370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79789.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 673264370 is about 25947.3383991499. The cubic root of 673264370 is about 876.4528223629.

The spelling of 673264370 in words is "six hundred seventy-three million, two hundred sixty-four thousand, three hundred seventy".