78327074 has 8 divisors (see below), whose sum is σ = 134275008. Its totient is φ = 33568740.

The previous prime is 78327061. The next prime is 78327077. The reversal of 78327074 is 47072387.

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

It is a super-2 number, since 2×78327074² = 12270261042802952, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (78327077) 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, 2797382 + ... + 2797409.

It is an arithmetic number, because the mean of its divisors is an integer number (16784376).

Almost surely, 2^78327074 is an apocalyptic number.

78327074 is a deficient number, since it is larger than the sum of its proper divisors (55947934).

78327074 is a wasteful number, since it uses less digits than its factorization.

78327074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594800.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 78327074 is about 8850.2584143063. The cubic root of 78327074 is about 427.8622471352.

The spelling of 78327074 in words is "seventy-eight million, three hundred twenty-seven thousand, seventy-four".