78826072 has 16 divisors (see below), whose sum is σ = 159168240. Its totient is φ = 36381216.

The previous prime is 78826063. The next prime is 78826109. The reversal of 78826072 is 27062887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378868 + ... + 379075.

It is an arithmetic number, because the mean of its divisors is an integer number (9948015).

Almost surely, 2^78826072 is an apocalyptic number.

It is an amenable number.

78826072 is an abundant number, since it is smaller than the sum of its proper divisors (80342168).

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

78826072 is a wasteful number, since it uses less digits than its factorization.

78826072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757962 (or 757958 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 78826072 is about 8878.4048116765. The cubic root of 78826072 is about 428.7689179548.

The spelling of 78826072 in words is "seventy-eight million, eight hundred twenty-six thousand, seventy-two".