37428543 has 24 divisors (see below), whose sum is σ = 57552768. Its totient is φ = 23357952.

The previous prime is 37428511. The next prime is 37428553. The reversal of 37428543 is 34582473.

It is a happy number.

37428543 is a `hidden beast` number, since 374 + 285 + 4 + 3 = 666.

It is not a de Polignac number, because 37428543 - 2⁵ = 37428511 is a prime.

It is a super-2 number, since 2×37428543² = 2801791662205698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37428498 and 37428507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37428553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33571 + ... + 34667.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 2^37428543 is an apocalyptic number.

37428543 is a deficient number, since it is larger than the sum of its proper divisors (20124225).

37428543 is a wasteful number, since it uses less digits than its factorization.

37428543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1340 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 37428543 is about 6117.8871352780. The cubic root of 37428543 is about 334.5037368790.

The spelling of 37428543 in words is "thirty-seven million, four hundred twenty-eight thousand, five hundred forty-three".