237968478 has 48 divisors (see below), whose sum is σ = 564325632. Its totient is φ = 71874000.

The previous prime is 237968477. The next prime is 237968491. The reversal of 237968478 is 874869732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (237968477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63723 + ... + 67353.

It is an arithmetic number, because the mean of its divisors is an integer number (11756784).

Almost surely, 2^237968478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 237968478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282162816).

237968478 is an abundant number, since it is smaller than the sum of its proper divisors (326357154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

237968478 is a wasteful number, since it uses less digits than its factorization.

237968478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981 (or 3978 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 237968478 is about 15426.2269528229. The cubic root of 237968478 is about 619.6880827841.

The spelling of 237968478 in words is "two hundred thirty-seven million, nine hundred sixty-eight thousand, four hundred seventy-eight".