378632751 has 12 divisors (see below), whose sum is σ = 587267352. Its totient is φ = 216361488.

The previous prime is 378632731. The next prime is 378632767. The reversal of 378632751 is 157236873.

It is not a de Polignac number, because 378632751 - 2⁵ = 378632719 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378632731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287720 + ... + 1288013.

It is an arithmetic number, because the mean of its divisors is an integer number (48938946).

Almost surely, 2^378632751 is an apocalyptic number.

378632751 is a deficient number, since it is larger than the sum of its proper divisors (208634601).

378632751 is a wasteful number, since it uses less digits than its factorization.

378632751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575750 (or 2575743 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 378632751 is about 19458.4878908922. The cubic root of 378632751 is about 723.4458987725.

The spelling of 378632751 in words is "three hundred seventy-eight million, six hundred thirty-two thousand, seven hundred fifty-one".