70281066 has 16 divisors (see below), whose sum is σ = 140745600. Its totient is φ = 23396448.

The previous prime is 70281053. The next prime is 70281067. The reversal of 70281066 is 66018207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70281067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (8796600).

Almost surely, 2^70281066 is an apocalyptic number.

70281066 is an abundant number, since it is smaller than the sum of its proper divisors (70464534).

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

70281066 is a wasteful number, since it uses less digits than its factorization.

70281066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15293.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 70281066 is about 8383.3803444673. The cubic root of 70281066 is about 412.6793901105.

The spelling of 70281066 in words is "seventy million, two hundred eighty-one thousand, sixty-six".