70245664 has 12 divisors (see below), whose sum is σ = 138296214. Its totient is φ = 35122816.

The previous prime is 70245661. The next prime is 70245677. The reversal of 70245664 is 46654207.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 1488400 = 8292^2 + 1220^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70245661) 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 as a sum of consecutive naturals, namely, 1097557 + ... + 1097620.

Almost surely, 2^70245664 is an apocalyptic number.

It is an amenable number.

70245664 is a deficient number, since it is larger than the sum of its proper divisors (68050550).

70245664 is a wasteful number, since it uses less digits than its factorization.

70245664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195187 (or 2195179 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 70245664 is about 8381.2686390546. The cubic root of 70245664 is about 412.6100868100.

The spelling of 70245664 in words is "seventy million, two hundred forty-five thousand, six hundred sixty-four".