70389066 has 32 divisors (see below), whose sum is σ = 154577088. Its totient is φ = 21191040.

The previous prime is 70389049. The next prime is 70389107. The reversal of 70389066 is 66098307.

It is a super-2 number, since 2×70389066² = 9909241224704712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6966 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (4830534).

Almost surely, 2^70389066 is an apocalyptic number.

70389066 is an abundant number, since it is smaller than the sum of its proper divisors (84188022).

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

70389066 is a wasteful number, since it uses less digits than its factorization.

70389066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 70389066 is about 8389.8191875630. The cubic root of 70389066 is about 412.8906682750.

The spelling of 70389066 in words is "seventy million, three hundred eighty-nine thousand, sixty-six".