372673645 has 4 divisors (see below), whose sum is σ = 447208380. Its totient is φ = 298138912.

The previous prime is 372673633. The next prime is 372673649. The reversal of 372673645 is 546376273.

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 255904009 + 116769636 = 15997^2 + 10806^2 .

It is a cyclic number.

It is not a de Polignac number, because 372673645 - 2⁷ = 372673517 is a prime.

It is a super-3 number, since 3×372673645³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372673649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37267360 + ... + 37267369.

It is an arithmetic number, because the mean of its divisors is an integer number (111802095).

Almost surely, 2^372673645 is an apocalyptic number.

It is an amenable number.

372673645 is a deficient number, since it is larger than the sum of its proper divisors (74534735).

372673645 is an equidigital number, since it uses as much as digits as its factorization.

372673645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74534734.

The product of its digits is 635040, while the sum is 43.

The square root of 372673645 is about 19304.7570562284. The cubic root of 372673645 is about 719.6304977762.

The spelling of 372673645 in words is "three hundred seventy-two million, six hundred seventy-three thousand, six hundred forty-five".