1378032274 has 16 divisors (see below), whose sum is σ = 2259242496. Its totient is φ = 627566400.

The previous prime is 1378032269. The next prime is 1378032283. The reversal of 1378032274 is 4722308731.

It is a super-2 number, since 2×1378032274² = 3797945896371222152, which contains 22 as substring.

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, 652662 + ... + 654769.

It is an arithmetic number, because the mean of its divisors is an integer number (141202656).

Almost surely, 2^1378032274 is an apocalyptic number.

1378032274 is a deficient number, since it is larger than the sum of its proper divisors (881210222).

1378032274 is a wasteful number, since it uses less digits than its factorization.

1378032274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307481.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1378032274 is about 37121.8570925540. The cubic root of 1378032274 is about 1112.8068653799.

The spelling of 1378032274 in words is "one billion, three hundred seventy-eight million, thirty-two thousand, two hundred seventy-four".