378055734 has 32 divisors (see below), whose sum is σ = 868623360. Its totient is φ = 107453952.

The previous prime is 378055723. The next prime is 378055771. The reversal of 378055734 is 437550873.

It is a super-2 number, since 2×378055734² = 285852276020557512, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15214 + ... + 31425.

It is an arithmetic number, because the mean of its divisors is an integer number (27144480).

Almost surely, 2^378055734 is an apocalyptic number.

378055734 is an abundant number, since it is smaller than the sum of its proper divisors (490567626).

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

378055734 is a wasteful number, since it uses less digits than its factorization.

378055734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46844.

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

The square root of 378055734 is about 19443.6553662114. The cubic root of 378055734 is about 723.0782137149.

The spelling of 378055734 in words is "three hundred seventy-eight million, fifty-five thousand, seven hundred thirty-four".