78702048 has 36 divisors (see below), whose sum is σ = 223809768. Its totient is φ = 26233920.

The previous prime is 78702007. The next prime is 78702053. The reversal of 78702048 is 84020787.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136348 + ... + 136923.

It is an arithmetic number, because the mean of its divisors is an integer number (6216938).

Almost surely, 2^78702048 is an apocalyptic number.

It is an amenable number.

78702048 is an abundant number, since it is smaller than the sum of its proper divisors (145107720).

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

78702048 is a wasteful number, since it uses less digits than its factorization.

78702048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273287 (or 273276 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 78702048 is about 8871.4174741131. The cubic root of 78702048 is about 428.5439266162.

The spelling of 78702048 in words is "seventy-eight million, seven hundred two thousand, forty-eight".