37021394 has 8 divisors (see below), whose sum is σ = 55739340. Its totient is φ = 18441616.

The previous prime is 37021381. The next prime is 37021417. The reversal of 37021394 is 49312073.

37021394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36784225 + 237169 = 6065^2 + 487^2 .

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

It is a super-2 number, since 2×37021394² = 2741167227406472, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33869 + ... + 34944.

Almost surely, 2^37021394 is an apocalyptic number.

37021394 is a deficient number, since it is larger than the sum of its proper divisors (18717946).

37021394 is a wasteful number, since it uses less digits than its factorization.

37021394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69084.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 37021394 is about 6084.5208521296. The cubic root of 37021394 is about 333.2863976136.

The spelling of 37021394 in words is "thirty-seven million, twenty-one thousand, three hundred ninety-four".