70745217052 has 12 divisors (see below), whose sum is σ = 131086725840. Its totient is φ = 33291866816.

The previous prime is 70745217043. The next prime is 70745217157. The reversal of 70745217052 is 25071254707.

It is a super-3 number, since 3×70745217052³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70745216996 and 70745217014.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 520185352 + ... + 520185487.

It is an arithmetic number, because the mean of its divisors is an integer number (10923893820).

Almost surely, 2^70745217052 is an apocalyptic number.

It is an amenable number.

70745217052 is a deficient number, since it is larger than the sum of its proper divisors (60341508788).

70745217052 is a wasteful number, since it uses less digits than its factorization.

70745217052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040370860 (or 1040370858 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 70745217052 in words is "seventy billion, seven hundred forty-five million, two hundred seventeen thousand, fifty-two".