37242021 has 8 divisors (see below), whose sum is σ = 49870080. Its totient is φ = 24720992.

The previous prime is 37242011. The next prime is 37242031. The reversal of 37242021 is 12024273.

It is an interprime number because it is at equal distance from previous prime (37242011) and next prime (37242031).

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

It is a cyclic number.

It is not a de Polignac number, because 37242021 - 2⁵ = 37241989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37242011) 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, 25941 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (6233760).

Almost surely, 2^37242021 is an apocalyptic number.

It is an amenable number.

37242021 is a deficient number, since it is larger than the sum of its proper divisors (12628059).

37242021 is a wasteful number, since it uses less digits than its factorization.

37242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53515.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 37242021 is about 6102.6241077097. The cubic root of 37242021 is about 333.9471542002.

Adding to 37242021 its reverse (12024273), we get a palindrome (49266294).

The spelling of 37242021 in words is "thirty-seven million, two hundred forty-two thousand, twenty-one".