78727404 has 24 divisors (see below), whose sum is σ = 209939968. Its totient is φ = 22493520.

The previous prime is 78727403. The next prime is 78727433. The reversal of 78727404 is 40472787.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78727403) 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, 468532 + ... + 468699.

Almost surely, 2^78727404 is an apocalyptic number.

It is an amenable number.

78727404 is an abundant number, since it is smaller than the sum of its proper divisors (131212564).

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

78727404 is a wasteful number, since it uses less digits than its factorization.

78727404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937245 (or 937243 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 78727404 is about 8872.8464429404. The cubic root of 78727404 is about 428.5899440255.

The spelling of 78727404 in words is "seventy-eight million, seven hundred twenty-seven thousand, four hundred four".