78474371 has 8 divisors (see below), whose sum is σ = 79344144. Its totient is φ = 77608960.

The previous prime is 78474337. The next prime is 78474401. The reversal of 78474371 is 17347487.

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

It is a cyclic number.

It is not a de Polignac number, because 78474371 - 2²² = 74280067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78474311) 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, 45395 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (9918018).

Almost surely, 2^78474371 is an apocalyptic number.

78474371 is a deficient number, since it is larger than the sum of its proper divisors (869773).

78474371 is a wasteful number, since it uses less digits than its factorization.

78474371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181.

The product of its digits is 131712, while the sum is 41.

The square root of 78474371 is about 8858.5761271211. The cubic root of 78474371 is about 428.1302828552.

The spelling of 78474371 in words is "seventy-eight million, four hundred seventy-four thousand, three hundred seventy-one".