78374067 has 4 divisors (see below), whose sum is σ = 104498760. Its totient is φ = 52249376.

The previous prime is 78374053. The next prime is 78374089. The reversal of 78374067 is 76047387.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78374067 - 2¹² = 78369971 is a prime.

It is a super-2 number, since 2×78374067² = 12284988756240978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78374027) 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, 13062342 + ... + 13062347.

It is an arithmetic number, because the mean of its divisors is an integer number (26124690).

Almost surely, 2^78374067 is an apocalyptic number.

78374067 is a deficient number, since it is larger than the sum of its proper divisors (26124693).

78374067 is a wasteful number, since it uses less digits than its factorization.

78374067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26124692.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 78374067 is about 8852.9129104493. The cubic root of 78374067 is about 427.9477965706.

The spelling of 78374067 in words is "seventy-eight million, three hundred seventy-four thousand, sixty-seven".