172269652 has 6 divisors (see below), whose sum is σ = 301471898. Its totient is φ = 86134824.

The previous prime is 172269649. The next prime is 172269667. The reversal of 172269652 is 256962271.

It can be written as a sum of positive squares in only one way, i.e., 172239376 + 30276 = 13124^2 + 174^2 .

It is a super-2 number, since 2×172269652² = 59353666000402208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21533703 + ... + 21533710.

Almost surely, 2^172269652 is an apocalyptic number.

It is an amenable number.

172269652 is a deficient number, since it is larger than the sum of its proper divisors (129202246).

172269652 is a wasteful number, since it uses less digits than its factorization.

172269652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43067417 (or 43067415 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 172269652 is about 13125.1534086273. The cubic root of 172269652 is about 556.4202479847.

The spelling of 172269652 in words is "one hundred seventy-two million, two hundred sixty-nine thousand, six hundred fifty-two".