60172735842 has 20 divisors (see below), whose sum is σ = 134831501046. Its totient is φ = 20057578560.

The previous prime is 60172735841. The next prime is 60172735853. The reversal of 60172735842 is 24853727106.

60172735842 is a `hidden beast` number, since 60 + 1 + 7 + 2 + 7 + 3 + 584 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53537167161 + 6635568681 = 231381^2 + 81459^2 .

It is a super-2 number, since 2×60172735842² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60172735841) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 185718159 + ... + 185718482.

Almost surely, 2^60172735842 is an apocalyptic number.

60172735842 is an abundant number, since it is smaller than the sum of its proper divisors (74658765204).

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

60172735842 is a wasteful number, since it uses less digits than its factorization.

60172735842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371436655 (or 371436646 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 60172735842 in words is "sixty billion, one hundred seventy-two million, seven hundred thirty-five thousand, eight hundred forty-two".