70478448 has 40 divisors (see below), whose sum is σ = 191654400. Its totient is φ = 22256064.

The previous prime is 70478423. The next prime is 70478489. The reversal of 70478448 is 84487407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37728 + ... + 39551.

It is an arithmetic number, because the mean of its divisors is an integer number (4791360).

Almost surely, 2^70478448 is an apocalyptic number.

It is an amenable number.

70478448 is an abundant number, since it is smaller than the sum of its proper divisors (121175952).

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

70478448 is a wasteful number, since it uses less digits than its factorization.

70478448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77309 (or 77303 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 70478448 is about 8395.1443108502. The cubic root of 70478448 is about 413.0653610496.

The spelling of 70478448 in words is "seventy million, four hundred seventy-eight thousand, four hundred forty-eight".