90075102 has 32 divisors (see below), whose sum is σ = 200702880. Its totient is φ = 26759040.

The previous prime is 90075091. The next prime is 90075103. The reversal of 90075102 is 20157009.

It is a super-2 number, since 2×90075102² = 16227048000620808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90075103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649 + ... + 22172.

It is an arithmetic number, because the mean of its divisors is an integer number (6271965).

Almost surely, 2^90075102 is an apocalyptic number.

90075102 is an abundant number, since it is smaller than the sum of its proper divisors (110627778).

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

90075102 is a wasteful number, since it uses less digits than its factorization.

90075102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 90075102 is about 9490.7903780454. The cubic root of 90075102 is about 448.2650927616.

The spelling of 90075102 in words is "ninety million, seventy-five thousand, one hundred two".