78479074 has 8 divisors (see below), whose sum is σ = 119208960. Its totient is φ = 38742756.

The previous prime is 78479047. The next prime is 78479077. The reversal of 78479074 is 47097487.

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

It is not an unprimeable number, because it can be changed into a prime (78479077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248194 + ... + 248509.

It is an arithmetic number, because the mean of its divisors is an integer number (14901120).

Almost surely, 2^78479074 is an apocalyptic number.

78479074 is a deficient number, since it is larger than the sum of its proper divisors (40729886).

78479074 is a wasteful number, since it uses less digits than its factorization.

78479074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496784.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 78479074 is about 8858.8415721244. The cubic root of 78479074 is about 428.1388353566.

The spelling of 78479074 in words is "seventy-eight million, four hundred seventy-nine thousand, seventy-four".