172300424 has 8 divisors (see below), whose sum is σ = 323063310. Its totient is φ = 86150208.

The previous prime is 172300399. The next prime is 172300459. The reversal of 172300424 is 424003271.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 51696100 = 10982^2 + 7190^2 .

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

It is a super-2 number, since 2×172300424² = 59374872221159552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172300424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10768769 + ... + 10768784.

Almost surely, 2^172300424 is an apocalyptic number.

It is an amenable number.

172300424 is a deficient number, since it is larger than the sum of its proper divisors (150762886).

172300424 is a wasteful number, since it uses less digits than its factorization.

172300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21537559 (or 21537555 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 172300424 is about 13126.3256092480. The cubic root of 172300424 is about 556.4533765602.

Adding to 172300424 its reverse (424003271), we get a palindrome (596303695).

The spelling of 172300424 in words is "one hundred seventy-two million, three hundred thousand, four hundred twenty-four".