90703039 has 16 divisors (see below), whose sum is σ = 109739520. Its totient is φ = 73311840.

The previous prime is 90703037. The next prime is 90703043. The reversal of 90703039 is 93030709.

It is not a de Polignac number, because 90703039 - 2¹ = 90703037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90703039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90703031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3534 + ... + 13924.

It is an arithmetic number, because the mean of its divisors is an integer number (6858720).

Almost surely, 2^90703039 is an apocalyptic number.

90703039 is a deficient number, since it is larger than the sum of its proper divisors (19036481).

90703039 is a wasteful number, since it uses less digits than its factorization.

90703039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10470.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 90703039 is about 9523.8143094036. The cubic root of 90703039 is about 449.3043391147.

The spelling of 90703039 in words is "ninety million, seven hundred three thousand, thirty-nine".