78433230 has 32 divisors (see below), whose sum is σ = 190187424. Its totient is φ = 20699136.

The previous prime is 78433211. The next prime is 78433241. The reversal of 78433230 is 3233487.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10567 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (5943357).

Almost surely, 2^78433230 is an apocalyptic number.

78433230 is an abundant number, since it is smaller than the sum of its proper divisors (111754194).

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

78433230 is a wasteful number, since it uses less digits than its factorization.

78433230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 78433230 is about 8856.2537226527. The cubic root of 78433230 is about 428.0554525351.

The spelling of 78433230 in words is "seventy-eight million, four hundred thirty-three thousand, two hundred thirty".