1378057704 has 32 divisors (see below), whose sum is σ = 3455387520. Its totient is φ = 457986816.

The previous prime is 1378057697. The next prime is 1378057721. The reversal of 1378057704 is 4077508731.

It is a happy number.

1378057704 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77104 + ... + 93279.

It is an arithmetic number, because the mean of its divisors is an integer number (107980860).

Almost surely, 2^1378057704 is an apocalyptic number.

It is an amenable number.

1378057704 is an abundant number, since it is smaller than the sum of its proper divisors (2077329816).

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

1378057704 is a wasteful number, since it uses less digits than its factorization.

1378057704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170729 (or 170725 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 1378057704 is about 37122.1996115532. The cubic root of 1378057704 is about 1112.8137105278.

The spelling of 1378057704 in words is "one billion, three hundred seventy-eight million, fifty-seven thousand, seven hundred four".