78074572 has 24 divisors (see below), whose sum is σ = 144471600. Its totient is φ = 36815616.

The previous prime is 78074569. The next prime is 78074593. The reversal of 78074572 is 27547087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15504 + ... + 19912.

It is an arithmetic number, because the mean of its divisors is an integer number (6019650).

Almost surely, 2^78074572 is an apocalyptic number.

It is an amenable number.

78074572 is a deficient number, since it is larger than the sum of its proper divisors (66397028).

78074572 is a wasteful number, since it uses less digits than its factorization.

78074572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4663 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 78074572 is about 8835.9816658932. The cubic root of 78074572 is about 427.4019874937.

The spelling of 78074572 in words is "seventy-eight million, seventy-four thousand, five hundred seventy-two".