72432652 has 6 divisors (see below), whose sum is σ = 126757148. Its totient is φ = 36216324.

The previous prime is 72432649. The next prime is 72432653. The reversal of 72432652 is 25623427.

It is not an unprimeable number, because it can be changed into a prime (72432653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054078 + ... + 9054085.

Almost surely, 2^72432652 is an apocalyptic number.

It is an amenable number.

72432652 is a deficient number, since it is larger than the sum of its proper divisors (54324496).

72432652 is a wasteful number, since it uses less digits than its factorization.

72432652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18108167 (or 18108165 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 72432652 is about 8510.7374533586. The cubic root of 72432652 is about 416.8483903499.

The spelling of 72432652 in words is "seventy-two million, four hundred thirty-two thousand, six hundred fifty-two".