78246012 has 24 divisors (see below), whose sum is σ = 196618576. Its totient is φ = 24075648.

The previous prime is 78246001. The next prime is 78246029. The reversal of 78246012 is 21064287.

It is a super-2 number, since 2×78246012² = 12244876787808288, which contains 22 as substring.

It is a congruent number.

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, 250633 + ... + 250944.

Almost surely, 2^78246012 is an apocalyptic number.

It is an amenable number.

78246012 is an abundant number, since it is smaller than the sum of its proper divisors (118372564).

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

78246012 is a wasteful number, since it uses less digits than its factorization.

78246012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501597 (or 501595 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 78246012 is about 8845.6775885175. The cubic root of 78246012 is about 427.7145955872.

The spelling of 78246012 in words is "seventy-eight million, two hundred forty-six thousand, twelve".