378816750 has 160 divisors (see below), whose sum is σ = 1141620480. Its totient is φ = 93182400.

The previous prime is 378816749. The next prime is 378816751. The reversal of 378816750 is 57618873.

It is an interprime number because it is at equal distance from previous prime (378816749) and next prime (378816751).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 378816696 and 378816705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378816751) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 262531 + ... + 263969.

It is an arithmetic number, because the mean of its divisors is an integer number (7135128).

Almost surely, 2^378816750 is an apocalyptic number.

378816750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378816750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570810240).

378816750 is an abundant number, since it is smaller than the sum of its proper divisors (762803730).

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

378816750 is a wasteful number, since it uses less digits than its factorization.

378816750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 378816750 is about 19463.2153047743. The cubic root of 378816750 is about 723.5630675110.

The spelling of 378816750 in words is "three hundred seventy-eight million, eight hundred sixteen thousand, seven hundred fifty".