70217050 has 24 divisors (see below), whose sum is σ = 133072956. Its totient is φ = 27555840.

The previous prime is 70217047. The next prime is 70217053. The reversal of 70217050 is 5071207.

It is an interprime number because it is at equal distance from previous prime (70217047) and next prime (70217053).

It can be written as a sum of positive squares in 6 ways, for example, as 49885969 + 20331081 = 7063^2 + 4509^2 .

It is a super-2 number, since 2×70217050² = 9860868221405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70217053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10599 + ... + 15898.

Almost surely, 2^70217050 is an apocalyptic number.

70217050 is the 5300-th heptagonal number.

70217050 is a deficient number, since it is larger than the sum of its proper divisors (62855906).

70217050 is a wasteful number, since it uses less digits than its factorization.

70217050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26562 (or 26557 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 70217050 is about 8379.5614443717. The cubic root of 70217050 is about 412.5540547467.

Adding to 70217050 its reverse (5071207), we get a palindrome (75288257).

The spelling of 70217050 in words is "seventy million, two hundred seventeen thousand, fifty".