172132624 has 10 divisors (see below), whose sum is σ = 333506990. Its totient is φ = 86066304.

The previous prime is 172132619. The next prime is 172132627. The reversal of 172132624 is 426231271.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 53758224 = 10880^2 + 7332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 172132592 and 172132601.

It is not an unprimeable number, because it can be changed into a prime (172132627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5379129 + ... + 5379160.

It is an arithmetic number, because the mean of its divisors is an integer number (33350699).

Almost surely, 2^172132624 is an apocalyptic number.

It is an amenable number.

172132624 is a deficient number, since it is larger than the sum of its proper divisors (161374366).

172132624 is a wasteful number, since it uses less digits than its factorization.

172132624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758297 (or 10758291 counting only the distinct ones).

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

The square root of 172132624 is about 13119.9323168986. The cubic root of 172132624 is about 556.2726782152.

Adding to 172132624 its reverse (426231271), we get a palindrome (598363895).

The spelling of 172132624 in words is "one hundred seventy-two million, one hundred thirty-two thousand, six hundred twenty-four".