78344126 has 16 divisors (see below), whose sum is σ = 142204896. Its totient is φ = 31600896.

The previous prime is 78344093. The next prime is 78344129. The reversal of 78344126 is 62144387.

It is a super-2 number, since 2×78344126² = 12275604157407752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78344129) 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, 164351 + ... + 164826.

It is an arithmetic number, because the mean of its divisors is an integer number (8887806).

Almost surely, 2^78344126 is an apocalyptic number.

78344126 is a deficient number, since it is larger than the sum of its proper divisors (63860770).

78344126 is a wasteful number, since it uses less digits than its factorization.

78344126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329203.

The product of its digits is 32256, while the sum is 35.

The square root of 78344126 is about 8851.2217235814. The cubic root of 78344126 is about 427.8932937762.

The spelling of 78344126 in words is "seventy-eight million, three hundred forty-four thousand, one hundred twenty-six".