70256997532 has 6 divisors (see below), whose sum is σ = 122949745688. Its totient is φ = 35128498764.

The previous prime is 70256997521. The next prime is 70256997539. The reversal of 70256997532 is 23579965207.

It is a super-2 number, since 2×70256997532² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70256997539) by changing a digit.

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 as a sum of consecutive naturals, namely, 8782124688 + ... + 8782124695.

Almost surely, 2^70256997532 is an apocalyptic number.

It is an amenable number.

70256997532 is a deficient number, since it is larger than the sum of its proper divisors (52692748156).

70256997532 is a wasteful number, since it uses less digits than its factorization.

70256997532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564249387 (or 17564249385 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 55.

The spelling of 70256997532 in words is "seventy billion, two hundred fifty-six million, nine hundred ninety-seven thousand, five hundred thirty-two".