373645673 has 4 divisors (see below), whose sum is σ = 374137428. Its totient is φ = 373153920.

The previous prime is 373645639. The next prime is 373645691. The reversal of 373645673 is 376546373.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158055184 + 215590489 = 12572^2 + 14683^2 .

It is a cyclic number.

It is not a de Polignac number, because 373645673 - 2⁸ = 373645417 is a prime.

It is a super-2 number, since 2×373645673² = 279222177903245858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373645973) 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 3 ways as a sum of consecutive naturals, for example, 244736 + ... + 246257.

It is an arithmetic number, because the mean of its divisors is an integer number (93534357).

Almost surely, 2^373645673 is an apocalyptic number.

It is an amenable number.

373645673 is a deficient number, since it is larger than the sum of its proper divisors (491755).

373645673 is an equidigital number, since it uses as much as digits as its factorization.

373645673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491754.

The product of its digits is 952560, while the sum is 44.

The square root of 373645673 is about 19329.9165285316. The cubic root of 373645673 is about 720.2556146164.

The spelling of 373645673 in words is "three hundred seventy-three million, six hundred forty-five thousand, six hundred seventy-three".