742532568 has 32 divisors (see below), whose sum is σ = 1864048560. Its totient is φ = 246481920.

The previous prime is 742532563. The next prime is 742532569. The reversal of 742532568 is 865235247.

It is a super-2 number, since 2×742532568² = 1102709229081349248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742532561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58405 + ... + 69972.

Almost surely, 2^742532568 is an apocalyptic number.

It is an amenable number.

742532568 is an abundant number, since it is smaller than the sum of its proper divisors (1121515992).

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

742532568 is a wasteful number, since it uses less digits than its factorization.

742532568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128627 (or 128623 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 742532568 is about 27249.4507834562. The cubic root of 742532568 is about 905.5348498447.

It can be divided in two parts, 7425 and 32568, that added together give a palindrome (39993).

The spelling of 742532568 in words is "seven hundred forty-two million, five hundred thirty-two thousand, five hundred sixty-eight".