37230981 has 4 divisors (see below), whose sum is σ = 49641312. Its totient is φ = 24820652.

The previous prime is 37230979. The next prime is 37231001. The reversal of 37230981 is 18903273.

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 37230981 - 2¹ = 37230979 is a prime.

It is a super-2 number, since 2×37230981² = 2772291892444722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37230931) 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, 6205161 + ... + 6205166.

It is an arithmetic number, because the mean of its divisors is an integer number (12410328).

Almost surely, 2^37230981 is an apocalyptic number.

It is an amenable number.

37230981 is a deficient number, since it is larger than the sum of its proper divisors (12410331).

37230981 is a wasteful number, since it uses less digits than its factorization.

37230981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410330.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 37230981 is about 6101.7195117442. The cubic root of 37230981 is about 333.9141525814.

The spelling of 37230981 in words is "thirty-seven million, two hundred thirty thousand, nine hundred eighty-one".