742018172 has 54 divisors (see below), whose sum is σ = 1594375272. Its totient is φ = 301241808.

The previous prime is 742018141. The next prime is 742018237. The reversal of 742018172 is 271810247.

It is a happy number.

742018172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65513 + ... + 75999.

It is an arithmetic number, because the mean of its divisors is an integer number (29525468).

Almost surely, 2^742018172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742018172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797187636).

742018172 is an abundant number, since it is smaller than the sum of its proper divisors (852357100).

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

742018172 is a wasteful number, since it uses less digits than its factorization.

742018172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543 (or 10515 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 742018172 is about 27240.0104992638. The cubic root of 742018172 is about 905.3256957823.

The spelling of 742018172 in words is "seven hundred forty-two million, eighteen thousand, one hundred seventy-two".