37242381 has 8 divisors (see below), whose sum is σ = 54170784. Its totient is φ = 22571120.

The previous prime is 37242353. The next prime is 37242397. The reversal of 37242381 is 18324273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37242381 - 2¹³ = 37234189 is a prime.

It is a super-2 number, since 2×37242381² = 2773989885098322, 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 (37242311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564246 + ... + 564311.

It is an arithmetic number, because the mean of its divisors is an integer number (6771348).

Almost surely, 2^37242381 is an apocalyptic number.

It is an amenable number.

37242381 is a deficient number, since it is larger than the sum of its proper divisors (16928403).

37242381 is a wasteful number, since it uses less digits than its factorization.

37242381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128571.

The product of its digits is 8064, while the sum is 30.

The square root of 37242381 is about 6102.6536031467. The cubic root of 37242381 is about 333.9482302302.

It can be divided in two parts, 3724 and 2381, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 37242381 in words is "thirty-seven million, two hundred forty-two thousand, three hundred eighty-one".