378458734 has 8 divisors (see below), whose sum is σ = 568698120. Its totient is φ = 188892696.

The previous prime is 378458723. The next prime is 378458749. The reversal of 378458734 is 437854873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166929 + ... + 169180.

It is an arithmetic number, because the mean of its divisors is an integer number (71087265).

Almost surely, 2^378458734 is an apocalyptic number.

378458734 is a deficient number, since it is larger than the sum of its proper divisors (190239386).

378458734 is a wasteful number, since it uses less digits than its factorization.

378458734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336674.

The product of its digits is 2257920, while the sum is 49.

The square root of 378458734 is about 19454.0158836164. The cubic root of 378458734 is about 723.3350515413.

The spelling of 378458734 in words is "three hundred seventy-eight million, four hundred fifty-eight thousand, seven hundred thirty-four".