90648703 has 4 divisors (see below), whose sum is σ = 90724648. Its totient is φ = 90572760.

The previous prime is 90648683. The next prime is 90648707. The reversal of 90648703 is 30784609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30784609 = 359 ⋅85751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90648703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90648707) 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, 36153 + ... + 38578.

It is an arithmetic number, because the mean of its divisors is an integer number (22681162).

Almost surely, 2^90648703 is an apocalyptic number.

90648703 is a deficient number, since it is larger than the sum of its proper divisors (75945).

90648703 is a wasteful number, since it uses less digits than its factorization.

90648703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75944.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90648703 is about 9520.9612434880. The cubic root of 90648703 is about 449.2146020363.

The spelling of 90648703 in words is "ninety million, six hundred forty-eight thousand, seven hundred three".