378925740 has 144 divisors (see below), whose sum is σ = 1222996320. Its totient is φ = 94694400.

The previous prime is 378925739. The next prime is 378925783. The reversal of 378925740 is 47529873.

378925740 is a `hidden beast` number, since 3 + 78 + 9 + 2 + 574 + 0 = 666.

It is a super-3 number, since 3×378925740³ (a number of 27 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344872 + ... + 345968.

It is an arithmetic number, because the mean of its divisors is an integer number (8493030).

Almost surely, 2^378925740 is an apocalyptic number.

378925740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378925740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611498160).

378925740 is an abundant number, since it is smaller than the sum of its proper divisors (844070580).

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

378925740 is a wasteful number, since it uses less digits than its factorization.

378925740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 378925740 is about 19466.0150005079. The cubic root of 378925740 is about 723.6324533700.

The spelling of 378925740 in words is "three hundred seventy-eight million, nine hundred twenty-five thousand, seven hundred forty".