70478718 has 16 divisors (see below), whose sum is σ = 142943616. Its totient is φ = 23161880.

The previous prime is 70478689. The next prime is 70478731. The reversal of 70478718 is 81787407.

It is a self number, because there is not a number n which added to its sum of digits gives 70478718.

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, 82296 + ... + 83147.

It is an arithmetic number, because the mean of its divisors is an integer number (8933976).

Almost surely, 2^70478718 is an apocalyptic number.

70478718 is an abundant number, since it is smaller than the sum of its proper divisors (72464898).

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

70478718 is a wasteful number, since it uses less digits than its factorization.

70478718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165519.

The product of its (nonzero) digits is 87808, while the sum is 42.

The square root of 70478718 is about 8395.1603915589. The cubic root of 70478718 is about 413.0658885277.

The spelling of 70478718 in words is "seventy million, four hundred seventy-eight thousand, seven hundred eighteen".