78063750 has 120 divisors (see below), whose sum is σ = 220035816. Its totient is φ = 20736000.

The previous prime is 78063743. The next prime is 78063763. The reversal of 78063750 is 5736087.

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 59 ways as a sum of consecutive naturals, for example, 303622 + ... + 303878.

Almost surely, 2^78063750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78063750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110017908).

78063750 is an abundant number, since it is smaller than the sum of its proper divisors (141972066).

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

78063750 is an equidigital number, since it uses as much as digits as its factorization.

78063750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 78063750 is about 8835.3692622323. The cubic root of 78063750 is about 427.3822390322.

The spelling of 78063750 in words is "seventy-eight million, sixty-three thousand, seven hundred fifty".