78730022 has 8 divisors (see below), whose sum is σ = 134965776. Its totient is φ = 33741432.

The previous prime is 78730021. The next prime is 78730027. The reversal of 78730022 is 22003787.

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 (78730021) 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, 2811773 + ... + 2811800.

It is an arithmetic number, because the mean of its divisors is an integer number (16870722).

Almost surely, 2^78730022 is an apocalyptic number.

78730022 is a deficient number, since it is larger than the sum of its proper divisors (56235754).

78730022 is a wasteful number, since it uses less digits than its factorization.

78730022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623582.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 78730022 is about 8872.9939704702. The cubic root of 78730022 is about 428.5946947475.

The spelling of 78730022 in words is "seventy-eight million, seven hundred thirty thousand, twenty-two".