90237036 has 24 divisors (see below), whose sum is σ = 212640624. Its totient is φ = 29780800.

The previous prime is 90237029. The next prime is 90237041. The reversal of 90237036 is 63073209.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 90236994 and 90237012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36015 + ... + 38438.

It is an arithmetic number, because the mean of its divisors is an integer number (8860026).

Almost surely, 2^90237036 is an apocalyptic number.

It is an amenable number.

90237036 is an abundant number, since it is smaller than the sum of its proper divisors (122403588).

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

90237036 is a wasteful number, since it uses less digits than its factorization.

90237036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74561 (or 74559 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 90237036 is about 9499.3176597059. The cubic root of 90237036 is about 448.5335572679.

The spelling of 90237036 in words is "ninety million, two hundred thirty-seven thousand, thirty-six".