742703385 has 8 divisors (see below), whose sum is σ = 1188325440. Its totient is φ = 396108464.

The previous prime is 742703347. The next prime is 742703389. The reversal of 742703385 is 583307247.

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 742703385 - 2¹⁸ = 742441241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742703389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24756765 + ... + 24756794.

It is an arithmetic number, because the mean of its divisors is an integer number (148540680).

Almost surely, 2^742703385 is an apocalyptic number.

It is an amenable number.

742703385 is a deficient number, since it is larger than the sum of its proper divisors (445622055).

742703385 is a wasteful number, since it uses less digits than its factorization.

742703385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49513567.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 742703385 is about 27252.5849232692. The cubic root of 742703385 is about 905.6042828875.

The spelling of 742703385 in words is "seven hundred forty-two million, seven hundred three thousand, three hundred eighty-five".