90162037 has 4 divisors (see below), whose sum is σ = 103042336. Its totient is φ = 77281740.

The previous prime is 90162019. The next prime is 90162071. The reversal of 90162037 is 73026109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90162037 - 2²³ = 81773429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90161996 and 90162014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90162077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6440139 + ... + 6440152.

It is an arithmetic number, because the mean of its divisors is an integer number (25760584).

Almost surely, 2^90162037 is an apocalyptic number.

It is an amenable number.

90162037 is a deficient number, since it is larger than the sum of its proper divisors (12880299).

90162037 is a wasteful number, since it uses less digits than its factorization.

90162037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880298.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 90162037 is about 9495.3692397926. The cubic root of 90162037 is about 448.4092591093.

The spelling of 90162037 in words is "ninety million, one hundred sixty-two thousand, thirty-seven".