37428521 has 16 divisors (see below), whose sum is σ = 42389760. Its totient is φ = 32788800.

The previous prime is 37428511. The next prime is 37428553. The reversal of 37428521 is 12582473.

37428521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37428521 - 2¹⁰ = 37427497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37428511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44735 + ... + 45563.

It is an arithmetic number, because the mean of its divisors is an integer number (2649360).

Almost surely, 2^37428521 is an apocalyptic number.

It is an amenable number.

37428521 is a deficient number, since it is larger than the sum of its proper divisors (4961239).

37428521 is a wasteful number, since it uses less digits than its factorization.

37428521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 13440, while the sum is 32.

The square root of 37428521 is about 6117.8853372714. The cubic root of 37428521 is about 334.5036713401.

The spelling of 37428521 in words is "thirty-seven million, four hundred twenty-eight thousand, five hundred twenty-one".