673667370 has 24 divisors (see below), whose sum is σ = 1751535396. Its totient is φ = 179644608.

The previous prime is 673667353. The next prime is 673667377. The reversal of 673667370 is 73766376.

It can be written as a sum of positive squares in 2 ways, for example, as 543775761 + 129891609 = 23319^2 + 11397^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (673667377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3742507 + ... + 3742686.

Almost surely, 2^673667370 is an apocalyptic number.

673667370 is an abundant number, since it is smaller than the sum of its proper divisors (1077868026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673667370 is a wasteful number, since it uses less digits than its factorization.

673667370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485206 (or 7485203 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 673667370 is about 25955.1029664688. The cubic root of 673667370 is about 876.6276620704.

The spelling of 673667370 in words is "six hundred seventy-three million, six hundred sixty-seven thousand, three hundred seventy".