90370037 has 4 divisors (see below), whose sum is σ = 91247520. Its totient is φ = 89492556.

The previous prime is 90370031. The next prime is 90370039. The reversal of 90370037 is 73007309.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73007309 = 47 ⋅1553347.

It is a cyclic number.

It is not a de Polignac number, because 90370037 - 2⁶ = 90369973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90369991 and 90370009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90370031) 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, 438587 + ... + 438792.

It is an arithmetic number, because the mean of its divisors is an integer number (22811880).

Almost surely, 2^90370037 is an apocalyptic number.

It is an amenable number.

90370037 is a deficient number, since it is larger than the sum of its proper divisors (877483).

90370037 is a wasteful number, since it uses less digits than its factorization.

90370037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877482.

The product of its (nonzero) digits is 3969, while the sum is 29.

The square root of 90370037 is about 9506.3156375117. The cubic root of 90370037 is about 448.7538146752.

The spelling of 90370037 in words is "ninety million, three hundred seventy thousand, thirty-seven".