78330360 has 32 divisors (see below), whose sum is σ = 234991440. Its totient is φ = 20888064.

The previous prime is 78330319. The next prime is 78330361. The reversal of 78330360 is 6303387.

It is a happy number.

It is a super-2 number, since 2×78330360² = 12271290595459200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78330361) 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, 326257 + ... + 326496.

Almost surely, 2^78330360 is an apocalyptic number.

It is an amenable number.

78330360 is an abundant number, since it is smaller than the sum of its proper divisors (156661080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78330360 is a wasteful number, since it uses less digits than its factorization.

78330360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652767 (or 652763 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 78330360 is about 8850.4440566561. Note that the first 3 decimals coincide. The cubic root of 78330360 is about 427.8682303183.

The spelling of 78330360 in words is "seventy-eight million, three hundred thirty thousand, three hundred sixty".