742909513 has 8 divisors (see below), whose sum is σ = 769798656. Its totient is φ = 716203200.

The previous prime is 742909507. The next prime is 742909523. The reversal of 742909513 is 315909247.

742909513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742909513 - 2²⁵ = 709355081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742909523) 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, 37408 + ... + 53713.

It is an arithmetic number, because the mean of its divisors is an integer number (96224832).

Almost surely, 2^742909513 is an apocalyptic number.

It is an amenable number.

742909513 is a deficient number, since it is larger than the sum of its proper divisors (26889143).

742909513 is a wasteful number, since it uses less digits than its factorization.

742909513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91415.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 742909513 is about 27256.3664673045. The cubic root of 742909513 is about 905.6880548377.

The spelling of 742909513 in words is "seven hundred forty-two million, nine hundred nine thousand, five hundred thirteen".