8425990730 has 8 divisors (see below), whose sum is σ = 15166783332. Its totient is φ = 3370396288.

The previous prime is 8425990693. The next prime is 8425990759. The reversal of 8425990730 is 370995248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8385248041 + 40742689 = 91571^2 + 6383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421299527 + ... + 421299546.

Almost surely, 2^8425990730 is an apocalyptic number.

8425990730 is a deficient number, since it is larger than the sum of its proper divisors (6740792602).

8425990730 is a wasteful number, since it uses less digits than its factorization.

8425990730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842599080.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 8425990730 is about 91793.1954449784. The cubic root of 8425990730 is about 2034.8871330126.

The spelling of 8425990730 in words is "eight billion, four hundred twenty-five million, nine hundred ninety thousand, seven hundred thirty".