70625668 has 6 divisors (see below), whose sum is σ = 123594926. Its totient is φ = 35312832.

The previous prime is 70625647. The next prime is 70625669. The reversal of 70625668 is 86652607.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 15984004 = 7392^2 + 3998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70625668.

It is not an unprimeable number, because it can be changed into a prime (70625669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8828205 + ... + 8828212.

Almost surely, 2^70625668 is an apocalyptic number.

It is an amenable number.

70625668 is a deficient number, since it is larger than the sum of its proper divisors (52969258).

70625668 is a wasteful number, since it uses less digits than its factorization.

70625668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656421 (or 17656419 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 70625668 is about 8403.9079004949. The cubic root of 70625668 is about 413.3527736839.

The spelling of 70625668 in words is "seventy million, six hundred twenty-five thousand, six hundred sixty-eight".