70671570 has 16 divisors (see below), whose sum is σ = 169611840. Its totient is φ = 18845744.

The previous prime is 70671569. The next prime is 70671589. The reversal of 70671570 is 7517607.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177830 + ... + 1177889.

It is an arithmetic number, because the mean of its divisors is an integer number (10600740).

Almost surely, 2^70671570 is an apocalyptic number.

70671570 is an abundant number, since it is smaller than the sum of its proper divisors (98940270).

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

70671570 is a wasteful number, since it uses less digits than its factorization.

70671570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355729.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 70671570 is about 8406.6384482741. The cubic root of 70671570 is about 413.4423049194.

The spelling of 70671570 in words is "seventy million, six hundred seventy-one thousand, five hundred seventy".