7934245890 has 64 divisors (see below), whose sum is σ = 19254557952. Its totient is φ = 2092256000.

The previous prime is 7934245883. The next prime is 7934245901. The reversal of 7934245890 is 985424397.

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 in 31 ways as a sum of consecutive naturals, for example, 4577464 + ... + 4579196.

It is an arithmetic number, because the mean of its divisors is an integer number (300852468).

Almost surely, 2^7934245890 is an apocalyptic number.

7934245890 is an abundant number, since it is smaller than the sum of its proper divisors (11320312062).

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

7934245890 is a wasteful number, since it uses less digits than its factorization.

7934245890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 7934245890 is about 89074.3840281817. The cubic root of 7934245890 is about 1994.5054093941.

The spelling of 7934245890 in words is "seven billion, nine hundred thirty-four million, two hundred forty-five thousand, eight hundred ninety".