2373645 has 8 divisors (see below), whose sum is σ = 3797856. Its totient is φ = 1265936.

The previous prime is 2373611. The next prime is 2373649. The reversal of 2373645 is 5463732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2373645 - 2¹⁶ = 2308109 is a prime.

It is a super-3 number, since 3×2373645³ = 40120704940695933375, which contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79107 + ... + 79136.

It is an arithmetic number, because the mean of its divisors is an integer number (474732).

2^2373645 is an apocalyptic number.

It is an amenable number.

2373645 is a deficient number, since it is larger than the sum of its proper divisors (1424211).

2373645 is a wasteful number, since it uses less digits than its factorization.

2373645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158251.

The product of its digits is 15120, while the sum is 30.

The square root of 2373645 is about 1540.6638179694. The cubic root of 2373645 is about 133.3947043865.

The spelling of 2373645 in words is "two million, three hundred seventy-three thousand, six hundred forty-five".