742857018 has 32 divisors (see below), whose sum is σ = 1510470720. Its totient is φ = 243527040.

The previous prime is 742857001. The next prime is 742857047. The reversal of 742857018 is 810758247.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85453 + ... + 93743.

It is an arithmetic number, because the mean of its divisors is an integer number (47202210).

Almost surely, 2^742857018 is an apocalyptic number.

742857018 is an abundant number, since it is smaller than the sum of its proper divisors (767613702).

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

742857018 is a wasteful number, since it uses less digits than its factorization.

742857018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 742857018 is about 27255.4034642674. The cubic root of 742857018 is about 905.6667219506. Note that the first 3 decimals are identical.

It can be divided in two parts, 7428 and 57018, that added together give a palindrome (64446).

The spelling of 742857018 in words is "seven hundred forty-two million, eight hundred fifty-seven thousand, eighteen".