78573008 has 10 divisors (see below), whose sum is σ = 152235234. Its totient is φ = 39286496.

The previous prime is 78572983. The next prime is 78573013. The reversal of 78573008 is 80037587.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 22202944 = 7508^2 + 4712^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2455391 + ... + 2455422.

Almost surely, 2^78573008 is an apocalyptic number.

It is an amenable number.

78573008 is a deficient number, since it is larger than the sum of its proper divisors (73662226).

78573008 is a wasteful number, since it uses less digits than its factorization.

78573008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910821 (or 4910815 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 78573008 is about 8864.1416956184. The cubic root of 78573008 is about 428.3095847314.

The spelling of 78573008 in words is "seventy-eight million, five hundred seventy-three thousand, eight".