70081012 has 6 divisors (see below), whose sum is σ = 122641778. Its totient is φ = 35040504.

The previous prime is 70081001. The next prime is 70081043. The reversal of 70081012 is 21018007.

It can be written as a sum of positive squares in only one way, i.e., 64577296 + 5503716 = 8036^2 + 2346^2 .

It is a super-2 number, since 2×70081012² = 9822696485888288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8760123 + ... + 8760130.

Almost surely, 2^70081012 is an apocalyptic number.

It is an amenable number.

70081012 is a deficient number, since it is larger than the sum of its proper divisors (52560766).

70081012 is a wasteful number, since it uses less digits than its factorization.

70081012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520257 (or 17520255 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 70081012 is about 8371.4402584024. The cubic root of 70081012 is about 412.2874560992.

Adding to 70081012 its reverse (21018007), we get a palindrome (91099019).

The spelling of 70081012 in words is "seventy million, eighty-one thousand, twelve".