232752721 has 2 divisors, whose sum is σ = 232752722. Its totient is φ = 232752720.

The previous prime is 232752703. The next prime is 232752727. The reversal of 232752721 is 127257232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224550225 + 8202496 = 14985^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 232752721 - 2⁹ = 232752209 is a prime.

It is not a weakly prime, because it can be changed into another prime (232752727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116376360 + 116376361.

It is an arithmetic number, because the mean of its divisors is an integer number (116376361).

Almost surely, 2^232752721 is an apocalyptic number.

It is an amenable number.

232752721 is a deficient number, since it is larger than the sum of its proper divisors (1).

232752721 is an equidigital number, since it uses as much as digits as its factorization.

232752721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 232752721 is about 15256.2354793048. The cubic root of 232752721 is about 615.1271872141.

The spelling of 232752721 in words is "two hundred thirty-two million, seven hundred fifty-two thousand, seven hundred twenty-one".