2372739 has 8 divisors (see below), whose sum is σ = 3330240. Its totient is φ = 1498536.

The previous prime is 2372737. The next prime is 2372743. The reversal of 2372739 is 9372732.

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

It is not a de Polignac number, because 2372739 - 2¹ = 2372737 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372731) 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, 20757 + ... + 20870.

It is an arithmetic number, because the mean of its divisors is an integer number (416280).

2^2372739 is an apocalyptic number.

2372739 is a deficient number, since it is larger than the sum of its proper divisors (957501).

2372739 is a wasteful number, since it uses less digits than its factorization.

2372739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41649.

The product of its digits is 15876, while the sum is 33.

The square root of 2372739 is about 1540.3697608042. The cubic root of 2372739 is about 133.3777303540.

Multiplying 2372739 by its sum of digits (33), we get a palindrome (78300387).

The spelling of 2372739 in words is "two million, three hundred seventy-two thousand, seven hundred thirty-nine".