32740831 has 2 divisors, whose sum is σ = 32740832. Its totient is φ = 32740830.

The previous prime is 32740789. The next prime is 32740847. The reversal of 32740831 is 13804723.

It is a strong prime.

It is an emirp because it is prime and its reverse (13804723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32740831 - 2⁷ = 32740703 is a prime.

It is a super-2 number, since 2×32740831² = 2143924029141122, 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 32740831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32740871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16370415 + 16370416.

It is an arithmetic number, because the mean of its divisors is an integer number (16370416).

Almost surely, 2^32740831 is an apocalyptic number.

32740831 is a deficient number, since it is larger than the sum of its proper divisors (1).

32740831 is an equidigital number, since it uses as much as digits as its factorization.

32740831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 32740831 is about 5721.9604158016. The cubic root of 32740831 is about 319.9115347905.

The spelling of 32740831 in words is "thirty-two million, seven hundred forty thousand, eight hundred thirty-one".