90768030 has 32 divisors (see below), whose sum is σ = 223733664. Its totient is φ = 23550336.

The previous prime is 90768023. The next prime is 90768037. The reversal of 90768030 is 3086709.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90768023) and next prime (90768037).

It is a junction number, because it is equal to n+sod(n) for n = 90767982 and 90768000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90768037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39777 + ... + 41996.

It is an arithmetic number, because the mean of its divisors is an integer number (6991677).

Almost surely, 2^90768030 is an apocalyptic number.

90768030 is an abundant number, since it is smaller than the sum of its proper divisors (132965634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90768030 is a wasteful number, since it uses less digits than its factorization.

90768030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81820.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 90768030 is about 9527.2257242074. The cubic root of 90768030 is about 449.4116260996.

The spelling of 90768030 in words is "ninety million, seven hundred sixty-eight thousand, thirty".