78934072 has 16 divisors (see below), whose sum is σ = 169144560. Its totient is φ = 33828864.

The previous prime is 78934067. The next prime is 78934081. The reversal of 78934072 is 27043987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704713 + ... + 704824.

It is an arithmetic number, because the mean of its divisors is an integer number (10571535).

Almost surely, 2^78934072 is an apocalyptic number.

It is an amenable number.

78934072 is an abundant number, since it is smaller than the sum of its proper divisors (90210488).

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

78934072 is a wasteful number, since it uses less digits than its factorization.

78934072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409550 (or 1409546 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 78934072 is about 8884.4849034708. The cubic root of 78934072 is about 428.9646480795.

The spelling of 78934072 in words is "seventy-eight million, nine hundred thirty-four thousand, seventy-two".