237968481 has 4 divisors (see below), whose sum is σ = 317291312. Its totient is φ = 158645652.

The previous prime is 237968477. The next prime is 237968491. The reversal of 237968481 is 184869732.

237968481 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 237968481 - 2² = 237968477 is a prime.

It is a super-2 number, since 2×237968481² = 113257995898894722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 237968481.

It is not an unprimeable number, because it can be changed into a prime (237968411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39661411 + ... + 39661416.

It is an arithmetic number, because the mean of its divisors is an integer number (79322828).

Almost surely, 2^237968481 is an apocalyptic number.

It is an amenable number.

237968481 is a deficient number, since it is larger than the sum of its proper divisors (79322831).

237968481 is an equidigital number, since it uses as much as digits as its factorization.

237968481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79322830.

The product of its digits is 580608, while the sum is 48.

The square root of 237968481 is about 15426.2270500599. The cubic root of 237968481 is about 619.6880853881.

The spelling of 237968481 in words is "two hundred thirty-seven million, nine hundred sixty-eight thousand, four hundred eighty-one".