378442734 has 32 divisors (see below), whose sum is σ = 778782336. Its totient is φ = 122510880.

The previous prime is 378442723. The next prime is 378442739. The reversal of 378442734 is 437244873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378442739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152169 + ... + 154635.

It is an arithmetic number, because the mean of its divisors is an integer number (24336948).

Almost surely, 2^378442734 is an apocalyptic number.

378442734 is an abundant number, since it is smaller than the sum of its proper divisors (400339602).

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

378442734 is a wasteful number, since it uses less digits than its factorization.

378442734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its digits is 451584, while the sum is 42.

The square root of 378442734 is about 19453.6046531228. The cubic root of 378442734 is about 723.3248579827.

The spelling of 378442734 in words is "three hundred seventy-eight million, four hundred forty-two thousand, seven hundred thirty-four".