78967240 has 32 divisors (see below), whose sum is σ = 193829760. Its totient is φ = 28715200.

The previous prime is 78967237. The next prime is 78967241. The reversal of 78967240 is 4276987.

It is not an unprimeable number, because it can be changed into a prime (78967241) 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 7 ways as a sum of consecutive naturals, for example, 89296 + ... + 90175.

It is an arithmetic number, because the mean of its divisors is an integer number (6057180).

Almost surely, 2^78967240 is an apocalyptic number.

It is an amenable number.

78967240 is an abundant number, since it is smaller than the sum of its proper divisors (114862520).

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

78967240 is a wasteful number, since it uses less digits than its factorization.

78967240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179493 (or 179489 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 78967240 is about 8886.3513322398. The cubic root of 78967240 is about 429.0247231384.

The spelling of 78967240 in words is "seventy-eight million, nine hundred sixty-seven thousand, two hundred forty".