90733339 has 4 divisors (see below), whose sum is σ = 90874224. Its totient is φ = 90592456.

The previous prime is 90733337. The next prime is 90733381. The reversal of 90733339 is 93333709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93333709 = 7 ⋅13333387.

It is a cyclic number.

It is not a de Polignac number, because 90733339 - 2¹ = 90733337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90733298 and 90733307.

It is not an unprimeable number, because it can be changed into a prime (90733337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69472 + ... + 70765.

It is an arithmetic number, because the mean of its divisors is an integer number (22718556).

Almost surely, 2^90733339 is an apocalyptic number.

90733339 is a deficient number, since it is larger than the sum of its proper divisors (140885).

90733339 is a wasteful number, since it uses less digits than its factorization.

90733339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140884.

The product of its (nonzero) digits is 45927, while the sum is 37.

The square root of 90733339 is about 9525.4049257761. The cubic root of 90733339 is about 449.3543646558.

The spelling of 90733339 in words is "ninety million, seven hundred thirty-three thousand, three hundred thirty-nine".