742730265124 has 9 divisors (see below), whose sum is σ = 1299780980337. Its totient is φ = 371364270744.

The previous prime is 742730265097. The next prime is 742730265131. The reversal of 742730265124 is 421562037247.

The square root of 742730265124 is 861818.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 643656407524 + 99073857600 = 802282^2 + 314760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1508182 + ... + 1939090.

Almost surely, 2^742730265124 is an apocalyptic number.

742730265124 is the 861818-th square number.

It is an amenable number.

742730265124 is a deficient number, since it is larger than the sum of its proper divisors (557050715213).

742730265124 is an frugal number, since it uses more digits than its factorization.

742730265124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861822 (or 430911 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 742730265124 in words is "seven hundred forty-two billion, seven hundred thirty million, two hundred sixty-five thousand, one hundred twenty-four".