37428443 has 4 divisors (see below), whose sum is σ = 40307568. Its totient is φ = 34549320.

The previous prime is 37428437. The next prime is 37428451. The reversal of 37428443 is 34482473.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 37428443 - 2⁴ = 37428427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37428343) 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, 1439543 + ... + 1439568.

It is an arithmetic number, because the mean of its divisors is an integer number (10076892).

Almost surely, 2^37428443 is an apocalyptic number.

37428443 is a deficient number, since it is larger than the sum of its proper divisors (2879125).

37428443 is a wasteful number, since it uses less digits than its factorization.

37428443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879124.

The product of its digits is 64512, while the sum is 35.

The square root of 37428443 is about 6117.8789625163. The cubic root of 37428443 is about 334.5034389744.

The spelling of 37428443 in words is "thirty-seven million, four hundred twenty-eight thousand, four hundred forty-three".