78493301 has 8 divisors (see below), whose sum is σ = 83202624. Its totient is φ = 73794240.

The previous prime is 78493297. The next prime is 78493307. The reversal of 78493301 is 10339487.

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 78493301 - 2² = 78493297 is a prime.

It is a super-2 number, since 2×78493301² = 12322396603753202, 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 (78493307) 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, 17936 + ... + 21878.

It is an arithmetic number, because the mean of its divisors is an integer number (10400328).

Almost surely, 2^78493301 is an apocalyptic number.

It is an amenable number.

78493301 is a deficient number, since it is larger than the sum of its proper divisors (4709323).

78493301 is a wasteful number, since it uses less digits than its factorization.

78493301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 78493301 is about 8859.6445188281. The cubic root of 78493301 is about 428.1647053661.

The spelling of 78493301 in words is "seventy-eight million, four hundred ninety-three thousand, three hundred one".