78433006 has 4 divisors (see below), whose sum is σ = 117649512. Its totient is φ = 39216502.

The previous prime is 78432997. The next prime is 78433009. The reversal of 78433006 is 60033487.

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

It is a super-4 number, since 4×78433006⁴ (a number of 33 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78433009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19608250 + ... + 19608253.

It is an arithmetic number, because the mean of its divisors is an integer number (29412378).

Almost surely, 2^78433006 is an apocalyptic number.

78433006 is a deficient number, since it is larger than the sum of its proper divisors (39216506).

78433006 is a wasteful number, since it uses less digits than its factorization.

78433006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39216505.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 78433006 is about 8856.2410762129. The cubic root of 78433006 is about 428.0550450355.

The spelling of 78433006 in words is "seventy-eight million, four hundred thirty-three thousand, six".