378435750 has 128 divisors (see below), whose sum is σ = 1177832448. Its totient is φ = 78624000.

The previous prime is 378435737. The next prime is 378435763. The reversal of 378435750 is 57534873.

It is an interprime number because it is at equal distance from previous prime (378435737) and next prime (378435763).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54474 + ... + 61026.

It is an arithmetic number, because the mean of its divisors is an integer number (9201816).

Almost surely, 2^378435750 is an apocalyptic number.

378435750 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 378435750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588916224).

378435750 is an abundant number, since it is smaller than the sum of its proper divisors (799396698).

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

378435750 is a wasteful number, since it uses less digits than its factorization.

378435750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 378435750 is about 19453.4251482869. The cubic root of 378435750 is about 723.3204084042.

The spelling of 378435750 in words is "three hundred seventy-eight million, four hundred thirty-five thousand, seven hundred fifty".