8148730725 has 36 divisors (see below), whose sum is σ = 14602282656. Its totient is φ = 4343905440.

The previous prime is 8148730691. The next prime is 8148730741. The reversal of 8148730725 is 5270378418.

It is not a de Polignac number, because 8148730725 - 2²³ = 8140342117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 537702 + ... + 552648.

Almost surely, 2^8148730725 is an apocalyptic number.

It is an amenable number.

8148730725 is a deficient number, since it is larger than the sum of its proper divisors (6453551931).

8148730725 is a wasteful number, since it uses less digits than its factorization.

8148730725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17386 (or 17378 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 8148730725 is about 90270.3202885644. The cubic root of 8148730725 is about 2012.3182022681.

The spelling of 8148730725 in words is "eight billion, one hundred forty-eight million, seven hundred thirty thousand, seven hundred twenty-five".