78352306 has 24 divisors (see below), whose sum is σ = 124225920. Its totient is φ = 37057416.

The previous prime is 78352297. The next prime is 78352327. The reversal of 78352306 is 60325387.

It is a super-2 number, since 2×78352306² = 12278167711035272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108615 + ... + 109333.

It is an arithmetic number, because the mean of its divisors is an integer number (5176080).

Almost surely, 2^78352306 is an apocalyptic number.

78352306 is a deficient number, since it is larger than the sum of its proper divisors (45873614).

78352306 is a wasteful number, since it uses less digits than its factorization.

78352306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 78352306 is about 8851.6837946235. The cubic root of 78352306 is about 427.9081855344.

The spelling of 78352306 in words is "seventy-eight million, three hundred fifty-two thousand, three hundred six".