9417720534 has 16 divisors (see below), whose sum is σ = 18844280688. Its totient is φ = 3137766912.

The previous prime is 9417720527. The next prime is 9417720581. The reversal of 9417720534 is 4350277149.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354427 + ... + 380070.

It is an arithmetic number, because the mean of its divisors is an integer number (1177767543).

Almost surely, 2^9417720534 is an apocalyptic number.

9417720534 is an abundant number, since it is smaller than the sum of its proper divisors (9426560154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9417720534 is a wasteful number, since it uses less digits than its factorization.

9417720534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736639.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 9417720534 is about 97044.9407954892. The cubic root of 9417720534 is about 2111.7796455888.

The spelling of 9417720534 in words is "nine billion, four hundred seventeen million, seven hundred twenty thousand, five hundred thirty-four".