78474298 has 16 divisors (see below), whose sum is σ = 140376960. Its totient is φ = 32169456.

The previous prime is 78474293. The next prime is 78474311. The reversal of 78474298 is 89247487.

It is not an unprimeable number, because it can be changed into a prime (78474293) 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, 121533 + ... + 122176.

It is an arithmetic number, because the mean of its divisors is an integer number (8773560).

Almost surely, 2^78474298 is an apocalyptic number.

78474298 is a deficient number, since it is larger than the sum of its proper divisors (61902662).

78474298 is a wasteful number, since it uses less digits than its factorization.

78474298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243741.

The product of its digits is 903168, while the sum is 49.

The square root of 78474298 is about 8858.5720068192. The cubic root of 78474298 is about 428.1301501005.

The spelling of 78474298 in words is "seventy-eight million, four hundred seventy-four thousand, two hundred ninety-eight".