432172648 has 8 divisors (see below), whose sum is σ = 810323730. Its totient is φ = 216086320.

The previous prime is 432172639. The next prime is 432172649. The reversal of 432172648 is 846271234.

It can be written as a sum of positive squares in only one way, i.e., 247810564 + 184362084 = 15742^2 + 13578^2 .

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

It is not an unprimeable number, because it can be changed into a prime (432172649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27010783 + ... + 27010798.

Almost surely, 2^432172648 is an apocalyptic number.

It is an amenable number.

432172648 is a deficient number, since it is larger than the sum of its proper divisors (378151082).

432172648 is a wasteful number, since it uses less digits than its factorization.

432172648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54021587 (or 54021583 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 432172648 is about 20788.7625413347. The cubic root of 432172648 is about 756.0533215473.

The spelling of 432172648 in words is "four hundred thirty-two million, one hundred seventy-two thousand, six hundred forty-eight".