78627294 has 128 divisors (see below), whose sum is σ = 196992000. Its totient is φ = 23151744.

The previous prime is 78627293. The next prime is 78627313. The reversal of 78627294 is 49272687.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78627293) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1332637 + ... + 1332695.

It is an arithmetic number, because the mean of its divisors is an integer number (1539000).

Almost surely, 2^78627294 is an apocalyptic number.

78627294 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 78627294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98496000).

78627294 is an abundant number, since it is smaller than the sum of its proper divisors (118364706).

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

78627294 is a wasteful number, since it uses less digits than its factorization.

78627294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 153 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 78627294 is about 8867.2032795014. The cubic root of 78627294 is about 428.4082015550.

The spelling of 78627294 in words is "seventy-eight million, six hundred twenty-seven thousand, two hundred ninety-four".