1378094770 has 32 divisors (see below), whose sum is σ = 2757565440. Its totient is φ = 492419520.

The previous prime is 1378094759. The next prime is 1378094807. The reversal of 1378094770 is 774908731.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1378094770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166950 + ... + 175009.

It is an arithmetic number, because the mean of its divisors is an integer number (86173920).

Almost surely, 2^1378094770 is an apocalyptic number.

1378094770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1378094770 is an abundant number, since it is smaller than the sum of its proper divisors (1379470670).

1378094770 is a wasteful number, since it uses less digits than its factorization.

1378094770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342010.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 1378094770 is about 37122.6988512419. The cubic root of 1378094770 is about 1112.8236876580.

The spelling of 1378094770 in words is "one billion, three hundred seventy-eight million, ninety-four thousand, seven hundred seventy".