78339032 has 32 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 38604960.

The previous prime is 78339029. The next prime is 78339047. The reversal of 78339032 is 23093387.

It is a super-2 number, since 2×78339032² = 12274007869394048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78338983 and 78339001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255023 + ... + 255329.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^78339032 is an apocalyptic number.

It is an amenable number.

78339032 is a deficient number, since it is larger than the sum of its proper divisors (70683688).

78339032 is a wasteful number, since it uses less digits than its factorization.

78339032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 78339032 is about 8850.9339620178. The cubic root of 78339032 is about 427.8840195830.

The spelling of 78339032 in words is "seventy-eight million, three hundred thirty-nine thousand, thirty-two".