78030343 has 4 divisors (see below), whose sum is σ = 78146280. Its totient is φ = 77914408.

The previous prime is 78030331. The next prime is 78030353. The reversal of 78030343 is 34303087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78030343 - 2⁵ = 78030311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78030313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56953 + ... + 58306.

It is an arithmetic number, because the mean of its divisors is an integer number (19536570).

Almost surely, 2^78030343 is an apocalyptic number.

78030343 is a deficient number, since it is larger than the sum of its proper divisors (115937).

78030343 is a wasteful number, since it uses less digits than its factorization.

78030343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115936.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 78030343 is about 8833.4785333978. The cubic root of 78030343 is about 427.3212649539.

The spelling of 78030343 in words is "seventy-eight million, thirty thousand, three hundred forty-three".