37434981 has 4 divisors (see below), whose sum is σ = 49913312. Its totient is φ = 24956652.

The previous prime is 37434941. The next prime is 37434989. The reversal of 37434981 is 18943473.

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 not a de Polignac number, because 37434981 - 2⁹ = 37434469 is a prime.

It is a super-2 number, since 2×37434981² = 2802755604940722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37434989) 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, 6239161 + ... + 6239166.

It is an arithmetic number, because the mean of its divisors is an integer number (12478328).

Almost surely, 2^37434981 is an apocalyptic number.

It is an amenable number.

37434981 is a deficient number, since it is larger than the sum of its proper divisors (12478331).

37434981 is a wasteful number, since it uses less digits than its factorization.

37434981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478330.

The product of its digits is 72576, while the sum is 39.

The square root of 37434981 is about 6118.4132746979. The cubic root of 37434981 is about 334.5229148595.

The spelling of 37434981 in words is "thirty-seven million, four hundred thirty-four thousand, nine hundred eighty-one".