78470748 has 48 divisors (see below), whose sum is σ = 203938560. Its totient is φ = 26093232.

The previous prime is 78470737. The next prime is 78470753. The reversal of 78470748 is 84707487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69315 + ... + 70437.

It is an arithmetic number, because the mean of its divisors is an integer number (4248720).

Almost surely, 2^78470748 is an apocalyptic number.

It is an amenable number.

78470748 is an abundant number, since it is smaller than the sum of its proper divisors (125467812).

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

78470748 is a wasteful number, since it uses less digits than its factorization.

78470748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 78470748 is about 8858.3716336582. The cubic root of 78470748 is about 428.1236941229.

The spelling of 78470748 in words is "seventy-eight million, four hundred seventy thousand, seven hundred forty-eight".