42650172 has 48 divisors (see below), whose sum is σ = 114150400. Its totient is φ = 13757040.

The previous prime is 42650147. The next prime is 42650173. The reversal of 42650172 is 27105624.

42650172 is a `hidden beast` number, since 4 + 2 + 650 + 1 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42650173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3022 + ... + 9717.

Almost surely, 2^42650172 is an apocalyptic number.

It is an amenable number.

42650172 is an abundant number, since it is smaller than the sum of its proper divisors (71500228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42650172 is a wasteful number, since it uses less digits than its factorization.

42650172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783 (or 12775 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42650172 is about 6530.7099154686. The cubic root of 42650172 is about 349.3871506575.

Adding to 42650172 its reverse (27105624), we get a palindrome (69755796).

The spelling of 42650172 in words is "forty-two million, six hundred fifty thousand, one hundred seventy-two".