742242357 has 24 divisors (see below), whose sum is σ = 1090034400. Its totient is φ = 486619488.

The previous prime is 742242341. The next prime is 742242379. The reversal of 742242357 is 753242247.

It is a happy number.

It is not a de Polignac number, because 742242357 - 2⁴ = 742242341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742242337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168894 + ... + 173232.

It is an arithmetic number, because the mean of its divisors is an integer number (45418100).

Almost surely, 2^742242357 is an apocalyptic number.

It is an amenable number.

742242357 is a deficient number, since it is larger than the sum of its proper divisors (347792043).

742242357 is a wasteful number, since it uses less digits than its factorization.

742242357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657 (or 4654 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 742242357 is about 27244.1251832390. The cubic root of 742242357 is about 905.4168615660.

The spelling of 742242357 in words is "seven hundred forty-two million, two hundred forty-two thousand, three hundred fifty-seven".