78072714 has 32 divisors (see below), whose sum is σ = 173792640. Its totient is φ = 25979616.

The previous prime is 78072713. The next prime is 78072719. The reversal of 78072714 is 41727087.

It is not an unprimeable number, because it can be changed into a prime (78072713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49827 + ... + 51369.

It is an arithmetic number, because the mean of its divisors is an integer number (5431020).

Almost surely, 2^78072714 is an apocalyptic number.

78072714 is an abundant number, since it is smaller than the sum of its proper divisors (95719926).

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

78072714 is a wasteful number, since it uses less digits than its factorization.

78072714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 78072714 is about 8835.8765269780. The cubic root of 78072714 is about 427.3985970633.

The spelling of 78072714 in words is "seventy-eight million, seventy-two thousand, seven hundred fourteen".