70745217050 has 12 divisors (see below), whose sum is σ = 131586103806. Its totient is φ = 28298086800.

The previous prime is 70745217043. The next prime is 70745217157. The reversal of 70745217050 is 5071254707.

It can be written as a sum of positive squares in 3 ways, for example, as 43534405201 + 27210811849 = 208649^2 + 164957^2 .

It is a super-2 number, since 2×70745217050² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70745216995 and 70745217013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707452121 + ... + 707452220.

Almost surely, 2^70745217050 is an apocalyptic number.

70745217050 is a deficient number, since it is larger than the sum of its proper divisors (60840886756).

70745217050 is a wasteful number, since it uses less digits than its factorization.

70745217050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414904353 (or 1414904348 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 38.

The spelling of 70745217050 in words is "seventy billion, seven hundred forty-five million, two hundred seventeen thousand, fifty".