70287066 has 24 divisors (see below), whose sum is σ = 152705280. Its totient is φ = 23364936.

The previous prime is 70287053. The next prime is 70287083. The reversal of 70287066 is 66078207.

It is a self number, because there is not a number n which added to its sum of digits gives 70287066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1671 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (6362720).

Almost surely, 2^70287066 is an apocalyptic number.

70287066 is an abundant number, since it is smaller than the sum of its proper divisors (82418214).

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

70287066 is a wasteful number, since it uses less digits than its factorization.

70287066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690 (or 10687 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 70287066 is about 8383.7381877060. The cubic root of 70287066 is about 412.6911334625.

The spelling of 70287066 in words is "seventy million, two hundred eighty-seven thousand, sixty-six".