37481481 has 32 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 22871808.

The previous prime is 37481473. The next prime is 37481491. The reversal of 37481481 is 18418473.

37481481 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 37481481 - 2³ = 37481473 is a prime.

It is a super-2 number, since 2×37481481² = 2809722835906722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37481491) 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 31 ways as a sum of consecutive naturals, for example, 15880 + ... + 18086.

It is an arithmetic number, because the mean of its divisors is an integer number (1887840).

Almost surely, 2^37481481 is an apocalyptic number.

It is an amenable number.

37481481 is a deficient number, since it is larger than the sum of its proper divisors (22929399).

37481481 is a wasteful number, since it uses less digits than its factorization.

37481481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2264 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 37481481 is about 6122.2121002135. The cubic root of 37481481 is about 334.6613671739.

The spelling of 37481481 in words is "thirty-seven million, four hundred eighty-one thousand, four hundred eighty-one".