37112081 has 4 divisors (see below), whose sum is σ = 37132212. Its totient is φ = 37091952.

The previous prime is 37112077. The next prime is 37112123. The reversal of 37112081 is 18021173.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29604481 + 7507600 = 5441^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 37112081 - 2² = 37112077 is a prime.

It is a super-2 number, since 2×37112081² = 2754613112301122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37114081) 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, 6986 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (9283053).

Almost surely, 2^37112081 is an apocalyptic number.

It is an amenable number.

37112081 is a deficient number, since it is larger than the sum of its proper divisors (20131).

37112081 is a wasteful number, since it uses less digits than its factorization.

37112081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 37112081 is about 6091.9685652505. The cubic root of 37112081 is about 333.5583133400.

The spelling of 37112081 in words is "thirty-seven million, one hundred twelve thousand, eighty-one".