78010320 has 40 divisors (see below), whose sum is σ = 241832736. Its totient is φ = 20802688.

The previous prime is 78010313. The next prime is 78010337. The reversal of 78010320 is 2301087.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×78010320² = 12171220053004800, which contains 22 as substring.

It is a congruent number.

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, 162282 + ... + 162761.

Almost surely, 2^78010320 is an apocalyptic number.

It is an amenable number.

78010320 is an abundant number, since it is smaller than the sum of its proper divisors (163822416).

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

78010320 is a wasteful number, since it uses less digits than its factorization.

78010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325059 (or 325053 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 78010320 is about 8832.3451019534. The cubic root of 78010320 is about 427.2847108591.

The spelling of 78010320 in words is "seventy-eight million, ten thousand, three hundred twenty".