70081066 has 8 divisors (see below), whose sum is σ = 114678144. Its totient is φ = 31855020.

The previous prime is 70081043. The next prime is 70081079. The reversal of 70081066 is 66018007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70081066² = 9822711623392712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592730 + ... + 1592773.

It is an arithmetic number, because the mean of its divisors is an integer number (14334768).

Almost surely, 2^70081066 is an apocalyptic number.

70081066 is a deficient number, since it is larger than the sum of its proper divisors (44597078).

70081066 is a wasteful number, since it uses less digits than its factorization.

70081066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185516.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 70081066 is about 8371.4434836532. The cubic root of 70081066 is about 412.2875619934.

The spelling of 70081066 in words is "seventy million, eighty-one thousand, sixty-six".