378274734 has 12 divisors (see below), whose sum is σ = 819595296. Its totient is φ = 126091572.

The previous prime is 378274711. The next prime is 378274759. The reversal of 378274734 is 437472873.

378274734 is a `hidden beast` number, since 378 + 274 + 7 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 378274734.

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 5 ways as a sum of consecutive naturals, for example, 10507614 + ... + 10507649.

It is an arithmetic number, because the mean of its divisors is an integer number (68299608).

Almost surely, 2^378274734 is an apocalyptic number.

378274734 is an abundant number, since it is smaller than the sum of its proper divisors (441320562).

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

378274734 is a wasteful number, since it uses less digits than its factorization.

378274734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21015271 (or 21015268 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 378274734 is about 19449.2862079820. The cubic root of 378274734 is about 723.2178082661.

The spelling of 378274734 in words is "three hundred seventy-eight million, two hundred seventy-four thousand, seven hundred thirty-four".