2373731 has 2 divisors, whose sum is σ = 2373732. Its totient is φ = 2373730.

The previous prime is 2373697. The next prime is 2373751. The reversal of 2373731 is 1373732.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2373731 - 2⁶ = 2373667 is a prime.

It is a super-2 number, since 2×2373731² = 11269197720722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2373731.

It is not a weakly prime, because it can be changed into another prime (2373751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1186865 + 1186866.

It is an arithmetic number, because the mean of its divisors is an integer number (1186866).

2^2373731 is an apocalyptic number.

2373731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2373731 is an equidigital number, since it uses as much as digits as its factorization.

2373731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 26.

The square root of 2373731 is about 1540.6917277639. The cubic root of 2373731 is about 133.3963153837.

Subtracting from 2373731 its reverse (1373732), we obtain a palindrome (999999).

The spelling of 2373731 in words is "two million, three hundred seventy-three thousand, seven hundred thirty-one".