70657448 has 8 divisors (see below), whose sum is σ = 132482730. Its totient is φ = 35328720.

The previous prime is 70657429. The next prime is 70657507. The reversal of 70657448 is 84475607.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 131044 = 8398^2 + 362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 4416083 + ... + 4416098.

Almost surely, 2^70657448 is an apocalyptic number.

It is an amenable number.

70657448 is a deficient number, since it is larger than the sum of its proper divisors (61825282).

70657448 is a wasteful number, since it uses less digits than its factorization.

70657448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832187 (or 8832183 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 70657448 is about 8405.7984748625. The cubic root of 70657448 is about 413.4147642776.

The spelling of 70657448 in words is "seventy million, six hundred fifty-seven thousand, four hundred forty-eight".