78067212 has 24 divisors (see below), whose sum is σ = 182380800. Its totient is φ = 25990416.

The previous prime is 78067211. The next prime is 78067237. The reversal of 78067212 is 21276087.

It is not an unprimeable number, because it can be changed into a prime (78067211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7489 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (7599200).

Almost surely, 2^78067212 is an apocalyptic number.

It is an amenable number.

78067212 is an abundant number, since it is smaller than the sum of its proper divisors (104313588).

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

78067212 is a wasteful number, since it uses less digits than its factorization.

78067212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 78067212 is about 8835.5651771689. The cubic root of 78067212 is about 427.3885568406.

The spelling of 78067212 in words is "seventy-eight million, sixty-seven thousand, two hundred twelve".