90662437 has 4 divisors (see below), whose sum is σ = 90694476. Its totient is φ = 90630400.

The previous prime is 90662417. The next prime is 90662441. The reversal of 90662437 is 73426609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73426609 = 113 ⋅649793.

It can be written as a sum of positive squares in 2 ways, for example, as 90611361 + 51076 = 9519^2 + 226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90662437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90662396 and 90662405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90662417) 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, 11314 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (22673619).

Almost surely, 2^90662437 is an apocalyptic number.

It is an amenable number.

90662437 is a deficient number, since it is larger than the sum of its proper divisors (32039).

90662437 is a wasteful number, since it uses less digits than its factorization.

90662437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32038.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 90662437 is about 9521.6824668753. The cubic root of 90662437 is about 449.2372874198.

The spelling of 90662437 in words is "ninety million, six hundred sixty-two thousand, four hundred thirty-seven".