1378572696 has 40 divisors (see below), whose sum is σ = 3861281820. Its totient is φ = 459524016.

The previous prime is 1378572641. The next prime is 1378572719. The reversal of 1378572696 is 6962758731.

1378572696 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 572 + 69 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1063066 + ... + 1064361.

Almost surely, 2^1378572696 is an apocalyptic number.

It is an amenable number.

1378572696 is an abundant number, since it is smaller than the sum of its proper divisors (2482709124).

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

1378572696 is a wasteful number, since it uses less digits than its factorization.

1378572696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127445 (or 2127432 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 1378572696 is about 37129.1354060393. The cubic root of 1378572696 is about 1112.9523159438.

The spelling of 1378572696 in words is "one billion, three hundred seventy-eight million, five hundred seventy-two thousand, six hundred ninety-six".