232972647 has 4 divisors (see below), whose sum is σ = 310630200. Its totient is φ = 155315096.

The previous prime is 232972643. The next prime is 232972693. The reversal of 232972647 is 746279232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232972647 - 2² = 232972643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232972599 and 232972608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232972643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38828772 + ... + 38828777.

It is an arithmetic number, because the mean of its divisors is an integer number (77657550).

Almost surely, 2^232972647 is an apocalyptic number.

232972647 is a deficient number, since it is larger than the sum of its proper divisors (77657553).

232972647 is an equidigital number, since it uses as much as digits as its factorization.

232972647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77657552.

The product of its digits is 254016, while the sum is 42.

The square root of 232972647 is about 15263.4415188712. The cubic root of 232972647 is about 615.3208689814.

The spelling of 232972647 in words is "two hundred thirty-two million, nine hundred seventy-two thousand, six hundred forty-seven".