37428434 has 4 divisors (see below), whose sum is σ = 56142654. Its totient is φ = 18714216.

The previous prime is 37428427. The next prime is 37428437. The reversal of 37428434 is 43482473.

37428434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43482473 = 47 ⋅925159.

It can be written as a sum of positive squares in only one way, i.e., 37173409 + 255025 = 6097^2 + 505^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37428394 and 37428403.

It is not an unprimeable number, because it can be changed into a prime (37428437) 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 as a sum of consecutive naturals, namely, 9357107 + ... + 9357110.

Almost surely, 2^37428434 is an apocalyptic number.

37428434 is a deficient number, since it is larger than the sum of its proper divisors (18714220).

37428434 is a wasteful number, since it uses less digits than its factorization.

37428434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714219.

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

The square root of 37428434 is about 6117.8782269673. The cubic root of 37428434 is about 334.5034121630.

The spelling of 37428434 in words is "thirty-seven million, four hundred twenty-eight thousand, four hundred thirty-four".