78141344 has 24 divisors (see below), whose sum is σ = 154203588. Its totient is φ = 38978560.

The previous prime is 78141331. The next prime is 78141383. The reversal of 78141344 is 44314187.

It can be written as a sum of positive squares in 2 ways, for example, as 77651344 + 490000 = 8812^2 + 700^2 .

It is a super-2 number, since 2×78141344² = 12212139284252672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 78141344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12104 + ... + 17400.

Almost surely, 2^78141344 is an apocalyptic number.

It is an amenable number.

78141344 is a deficient number, since it is larger than the sum of its proper divisors (76062244).

78141344 is a wasteful number, since it uses less digits than its factorization.

78141344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768 (or 5760 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 78141344 is about 8839.7592727404. The cubic root of 78141344 is about 427.5237956272.

The spelling of 78141344 in words is "seventy-eight million, one hundred forty-one thousand, three hundred forty-four".