37530081 has 8 divisors (see below), whose sum is σ = 55600160. Its totient is φ = 25020036.

The previous prime is 37530061. The next prime is 37530091. The reversal of 37530081 is 18003573.

37530081 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 37530081 - 2⁷ = 37529953 is a prime.

It is a super-2 number, since 2×37530081² = 2817013959733122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1390003 = 37530081 / (3 + 7 + 5 + 3 + 0 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37530001) 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 7 ways as a sum of consecutive naturals, for example, 694975 + ... + 695028.

It is an arithmetic number, because the mean of its divisors is an integer number (6950020).

Almost surely, 2^37530081 is an apocalyptic number.

It is an amenable number.

37530081 is a deficient number, since it is larger than the sum of its proper divisors (18070079).

37530081 is a wasteful number, since it uses less digits than its factorization.

37530081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390012 (or 1390006 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 37530081 is about 6126.1799679735. The cubic root of 37530081 is about 334.8059498435.

The spelling of 37530081 in words is "thirty-seven million, five hundred thirty thousand, eighty-one".