742522556 has 12 divisors (see below), whose sum is σ = 1299620280. Its totient is φ = 371202480.

The previous prime is 742522537. The next prime is 742522559. The reversal of 742522556 is 655225247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742522559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26615 + ... + 46833.

It is an arithmetic number, because the mean of its divisors is an integer number (108301690).

Almost surely, 2^742522556 is an apocalyptic number.

It is an amenable number.

742522556 is a deficient number, since it is larger than the sum of its proper divisors (557097724).

742522556 is a wasteful number, since it uses less digits than its factorization.

742522556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29404 (or 29402 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 742522556 is about 27249.2670727122. The cubic root of 742522556 is about 905.5307798748.

The spelling of 742522556 in words is "seven hundred forty-two million, five hundred twenty-two thousand, five hundred fifty-six".