70865522 has 32 divisors (see below), whose sum is σ = 131289984. Its totient is φ = 27936000.

The previous prime is 70865521. The next prime is 70865527. The reversal of 70865522 is 22556807.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70865521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72497 + ... + 73467.

It is an arithmetic number, because the mean of its divisors is an integer number (4102812).

Almost surely, 2^70865522 is an apocalyptic number.

70865522 is a deficient number, since it is larger than the sum of its proper divisors (60424462).

70865522 is a wasteful number, since it uses less digits than its factorization.

70865522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 70865522 is about 8418.1661898539. The cubic root of 70865522 is about 413.8201783097.

The spelling of 70865522 in words is "seventy million, eight hundred sixty-five thousand, five hundred twenty-two".