70720533076 has 6 divisors (see below), whose sum is σ = 123760932890. Its totient is φ = 35360266536.

The previous prime is 70720533053. The next prime is 70720533119. The reversal of 70720533076 is 67033502707.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41503468176 + 29217064900 = 203724^2 + 170930^2 .

It is a super-2 number, since 2×70720533076² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 8840066631 + ... + 8840066638.

Almost surely, 2^70720533076 is an apocalyptic number.

It is an amenable number.

70720533076 is a deficient number, since it is larger than the sum of its proper divisors (53040399814).

70720533076 is a wasteful number, since it uses less digits than its factorization.

70720533076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680133273 (or 17680133271 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 70720533076 in words is "seventy billion, seven hundred twenty million, five hundred thirty-three thousand, seventy-six".