70064655 has 16 divisors (see below), whose sum is σ = 113134560. Its totient is φ = 37024128.

The previous prime is 70064651. The next prime is 70064663. The reversal of 70064655 is 55646007.

It is not a de Polignac number, because 70064655 - 2² = 70064651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70064651) 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, 19792 + ... + 23061.

It is an arithmetic number, because the mean of its divisors is an integer number (7070910).

Almost surely, 2^70064655 is an apocalyptic number.

70064655 is a deficient number, since it is larger than the sum of its proper divisors (43069905).

70064655 is a wasteful number, since it uses less digits than its factorization.

70064655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42970.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 70064655 is about 8370.4632488292. The cubic root of 70064655 is about 412.2553774593.

The spelling of 70064655 in words is "seventy million, sixty-four thousand, six hundred fifty-five".