742630754 has 16 divisors (see below), whose sum is σ = 1180144728. Its totient is φ = 349274112.

The previous prime is 742630711. The next prime is 742630793. The reversal of 742630754 is 457036247.

It can be written as a sum of positive squares in 4 ways, for example, as 279391225 + 463239529 = 16715^2 + 21523^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66674 + ... + 77010.

Almost surely, 2^742630754 is an apocalyptic number.

742630754 is a deficient number, since it is larger than the sum of its proper divisors (437513974).

742630754 is a wasteful number, since it uses less digits than its factorization.

742630754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 742630754 is about 27251.2523381954. The cubic root of 742630754 is about 905.5747614167.

The spelling of 742630754 in words is "seven hundred forty-two million, six hundred thirty thousand, seven hundred fifty-four".