78530294 has 8 divisors (see below), whose sum is σ = 117857160. Its totient is φ = 39244576.

The previous prime is 78530273. The next prime is 78530297. The reversal of 78530294 is 49203587.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78530297) 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, 4964 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (14732145).

Almost surely, 2^78530294 is an apocalyptic number.

78530294 is a deficient number, since it is larger than the sum of its proper divisors (39326866).

78530294 is a wasteful number, since it uses less digits than its factorization.

78530294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 78530294 is about 8861.7319977530. The cubic root of 78530294 is about 428.2319578541.

The spelling of 78530294 in words is "seventy-eight million, five hundred thirty thousand, two hundred ninety-four".