78413293 has 8 divisors (see below), whose sum is σ = 89769600. Its totient is φ = 67095600.

The previous prime is 78413287. The next prime is 78413311. The reversal of 78413293 is 39231487.

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

It is a cyclic number.

It is not a de Polignac number, because 78413293 - 2⁵ = 78413261 is a prime.

It is a super-2 number, since 2×78413293² = 12297289038207698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (11221200).

Almost surely, 2^78413293 is an apocalyptic number.

It is an amenable number.

78413293 is a deficient number, since it is larger than the sum of its proper divisors (11356307).

78413293 is a wasteful number, since it uses less digits than its factorization.

78413293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19307.

The product of its digits is 36288, while the sum is 37.

The square root of 78413293 is about 8855.1280623151. The cubic root of 78413293 is about 428.0191802189.

The spelling of 78413293 in words is "seventy-eight million, four hundred thirteen thousand, two hundred ninety-three".