78626374 has 8 divisors (see below), whose sum is σ = 123067440. Its totient is φ = 37603896.

The previous prime is 78626371. The next prime is 78626419. The reversal of 78626374 is 47362687.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78626374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78626371) 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, 854589 + ... + 854680.

It is an arithmetic number, because the mean of its divisors is an integer number (15383430).

Almost surely, 2^78626374 is an apocalyptic number.

78626374 is a deficient number, since it is larger than the sum of its proper divisors (44441066).

78626374 is a wasteful number, since it uses less digits than its factorization.

78626374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709294.

The product of its digits is 338688, while the sum is 43.

The square root of 78626374 is about 8867.1514027900. The cubic root of 78626374 is about 428.4065306464.

The spelling of 78626374 in words is "seventy-eight million, six hundred twenty-six thousand, three hundred seventy-four".