70448661 has 12 divisors (see below), whose sum is σ = 101875488. Its totient is φ = 46912104.

The previous prime is 70448641. The next prime is 70448669. The reversal of 70448661 is 16684407.

It is not a de Polignac number, because 70448661 - 2¹¹ = 70446613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70448669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4866 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (8489624).

Almost surely, 2^70448661 is an apocalyptic number.

It is an amenable number.

70448661 is a deficient number, since it is larger than the sum of its proper divisors (31426827).

70448661 is a wasteful number, since it uses less digits than its factorization.

70448661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952 (or 8949 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70448661 is about 8393.3700621383. The cubic root of 70448661 is about 413.0071602235.

The spelling of 70448661 in words is "seventy million, four hundred forty-eight thousand, six hundred sixty-one".