78234206 has 8 divisors (see below), whose sum is σ = 120523080. Its totient is φ = 38059848.

The previous prime is 78234203. The next prime is 78234217. The reversal of 78234206 is 60243287.

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

It is a super-2 number, since 2×78234206² = 12241181976900872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78234203) 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 3 ways as a sum of consecutive naturals, for example, 528536 + ... + 528683.

It is an arithmetic number, because the mean of its divisors is an integer number (15065385).

Almost surely, 2^78234206 is an apocalyptic number.

78234206 is a deficient number, since it is larger than the sum of its proper divisors (42288874).

78234206 is a wasteful number, since it uses less digits than its factorization.

78234206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057258.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 78234206 is about 8845.0102317634. The cubic root of 78234206 is about 427.6930828721.

The spelling of 78234206 in words is "seventy-eight million, two hundred thirty-four thousand, two hundred six".