78714406 has 4 divisors (see below), whose sum is σ = 118071612. Its totient is φ = 39357202.

The previous prime is 78714401. The next prime is 78714407. The reversal of 78714406 is 60441787.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×78714406³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78714401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19678600 + ... + 19678603.

It is an arithmetic number, because the mean of its divisors is an integer number (29517903).

Almost surely, 2^78714406 is an apocalyptic number.

78714406 is a deficient number, since it is larger than the sum of its proper divisors (39357206).

78714406 is a wasteful number, since it uses less digits than its factorization.

78714406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39357205.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 78714406 is about 8872.1139532808. The cubic root of 78714406 is about 428.5663558024.

The spelling of 78714406 in words is "seventy-eight million, seven hundred fourteen thousand, four hundred six".