1397000768 has 28 divisors (see below), whose sum is σ = 2793351792. Its totient is φ = 693164160.

The previous prime is 1397000767. The next prime is 1397000797. The reversal of 1397000768 is 8670007931.

It is a super-2 number, since 2×1397000768² = 3903222291585179648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397000767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74930 + ... + 91697.

It is an arithmetic number, because the mean of its divisors is an integer number (99762564).

Almost surely, 2^1397000768 is an apocalyptic number.

It is an amenable number.

1397000768 is a deficient number, since it is larger than the sum of its proper divisors (1396351024).

1397000768 is a wasteful number, since it uses less digits than its factorization.

1397000768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166770 (or 166760 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1397000768 is about 37376.4734559054. The cubic root of 1397000768 is about 1117.8895119642.

The spelling of 1397000768 in words is "one billion, three hundred ninety-seven million, seven hundred sixty-eight", and thus it is an aban number.