232540072 has 8 divisors (see below), whose sum is σ = 436012650. Its totient is φ = 116270032.

The previous prime is 232540043. The next prime is 232540073. The reversal of 232540072 is 270045232.

It can be written as a sum of positive squares in only one way, i.e., 149475076 + 83064996 = 12226^2 + 9114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (232540073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14533747 + ... + 14533762.

Almost surely, 2^232540072 is an apocalyptic number.

It is an amenable number.

232540072 is a deficient number, since it is larger than the sum of its proper divisors (203472578).

232540072 is a wasteful number, since it uses less digits than its factorization.

232540072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29067515 (or 29067511 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 232540072 is about 15249.2646380080. The cubic root of 232540072 is about 614.9397980157.

The spelling of 232540072 in words is "two hundred thirty-two million, five hundred forty thousand, seventy-two".