70530537772 has 6 divisors (see below), whose sum is σ = 123428441108. Its totient is φ = 35265268884.

The previous prime is 70530537767. The next prime is 70530537797. The reversal of 70530537772 is 27773503507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8816317218 + ... + 8816317225.

Almost surely, 2^70530537772 is an apocalyptic number.

It is an amenable number.

70530537772 is a deficient number, since it is larger than the sum of its proper divisors (52897903336).

70530537772 is a wasteful number, since it uses less digits than its factorization.

70530537772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632634447 (or 17632634445 counting only the distinct ones).

The product of its (nonzero) digits is 1080450, while the sum is 46.

The spelling of 70530537772 in words is "seventy billion, five hundred thirty million, five hundred thirty-seven thousand, seven hundred seventy-two".