9742977530 has 64 divisors (see below), whose sum is σ = 20740237056. Its totient is φ = 3248640000.

The previous prime is 9742977521. The next prime is 9742977533. The reversal of 9742977530 is 357792479.

It is a super-2 number, since 2×9742977530² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9742977533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193370 + ... + 238490.

It is an arithmetic number, because the mean of its divisors is an integer number (324066204).

Almost surely, 2^9742977530 is an apocalyptic number.

9742977530 is an abundant number, since it is smaller than the sum of its proper divisors (10997259526).

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

9742977530 is a wasteful number, since it uses less digits than its factorization.

9742977530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45303.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 9742977530 is about 98706.5222262440. The cubic root of 9742977530 is about 2135.8163182175.

The spelling of 9742977530 in words is "nine billion, seven hundred forty-two million, nine hundred seventy-seven thousand, five hundred thirty".