8735723690 has 8 divisors (see below), whose sum is σ = 15724302660. Its totient is φ = 3494289472.

The previous prime is 8735723641. The next prime is 8735723707. The reversal of 8735723690 is 963275378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7872480529 + 863243161 = 88727^2 + 29381^2 .

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

It is a super-2 number, since 2×8735723690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436786175 + ... + 436786194.

Almost surely, 2^8735723690 is an apocalyptic number.

8735723690 is a deficient number, since it is larger than the sum of its proper divisors (6988578970).

8735723690 is a wasteful number, since it uses less digits than its factorization.

8735723690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873572376.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 8735723690 is about 93465.0934306493. The cubic root of 8735723690 is about 2059.5213399139.

The spelling of 8735723690 in words is "eight billion, seven hundred thirty-five million, seven hundred twenty-three thousand, six hundred ninety".