742572172 has 12 divisors (see below), whose sum is σ = 1375942680. Its totient is φ = 349445696.

The previous prime is 742572169. The next prime is 742572211. The reversal of 742572172 is 271275247.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460022 + ... + 5460157.

It is an arithmetic number, because the mean of its divisors is an integer number (114661890).

Almost surely, 2^742572172 is an apocalyptic number.

It is an amenable number.

742572172 is a deficient number, since it is larger than the sum of its proper divisors (633370508).

742572172 is a wasteful number, since it uses less digits than its factorization.

742572172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920200 (or 10920198 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 742572172 is about 27250.1774673120. The cubic root of 742572172 is about 905.5509488758.

It can be divided in two parts, 7425 and 72172, that added together give a palindrome (79597).

The spelling of 742572172 in words is "seven hundred forty-two million, five hundred seventy-two thousand, one hundred seventy-two".