1967430768 has 20 divisors (see below), whose sum is σ = 5082529608. Its totient is φ = 655810240.

The previous prime is 1967430767. The next prime is 1967430769. The reversal of 1967430768 is 8670347691.

It is an interprime number because it is at equal distance from previous prime (1967430767) and next prime (1967430769).

It is a self number, because there is not a number n which added to its sum of digits gives 1967430768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1967430767) 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, 20494023 + ... + 20494118.

Almost surely, 2^1967430768 is an apocalyptic number.

It is an amenable number.

1967430768 is an abundant number, since it is smaller than the sum of its proper divisors (3115098840).

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

1967430768 is a wasteful number, since it uses less digits than its factorization.

1967430768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988152 (or 40988146 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 1967430768 is about 44355.7298215236. The cubic root of 1967430768 is about 1253.0444760856.

The spelling of 1967430768 in words is "one billion, nine hundred sixty-seven million, four hundred thirty thousand, seven hundred sixty-eight".