78467672 has 16 divisors (see below), whose sum is σ = 147741000. Its totient is φ = 39070080.

The previous prime is 78467659. The next prime is 78467677. The reversal of 78467672 is 27676487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78467677) 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, 18422 + ... + 22277.

Almost surely, 2^78467672 is an apocalyptic number.

It is an amenable number.

78467672 is a deficient number, since it is larger than the sum of its proper divisors (69273328).

78467672 is a wasteful number, since it uses less digits than its factorization.

78467672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40946 (or 40942 counting only the distinct ones).

The product of its digits is 790272, while the sum is 47.

The square root of 78467672 is about 8858.1980108823. The cubic root of 78467672 is about 428.1180999971.

The spelling of 78467672 in words is "seventy-eight million, four hundred sixty-seven thousand, six hundred seventy-two".