378735630 has 64 divisors (see below), whose sum is σ = 1118734848. Its totient is φ = 79908480.

The previous prime is 378735629. The next prime is 378735631. The reversal of 378735630 is 36537873.

It is an interprime number because it is at equal distance from previous prime (378735629) and next prime (378735631).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378735631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66636 + ... + 72095.

It is an arithmetic number, because the mean of its divisors is an integer number (17480232).

Almost surely, 2^378735630 is an apocalyptic number.

378735630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378735630 is an abundant number, since it is smaller than the sum of its proper divisors (739999218).

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

378735630 is a wasteful number, since it uses less digits than its factorization.

378735630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138761.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 378735630 is about 19461.1312620824. The cubic root of 378735630 is about 723.5114157768.

The spelling of 378735630 in words is "three hundred seventy-eight million, seven hundred thirty-five thousand, six hundred thirty".