9129672790 has 16 divisors (see below), whose sum is σ = 18781041312. Its totient is φ = 3130173504.

The previous prime is 9129672709. The next prime is 9129672793. The reversal of 9129672790 is 972769219.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9129672793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65211879 + ... + 65212018.

It is an arithmetic number, because the mean of its divisors is an integer number (1173815082).

Almost surely, 2^9129672790 is an apocalyptic number.

9129672790 is an abundant number, since it is smaller than the sum of its proper divisors (9651368522).

9129672790 is a wasteful number, since it uses less digits than its factorization.

9129672790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130423911.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 9129672790 is about 95549.3212430104. The cubic root of 9129672790 is about 2090.0262345707.

The spelling of 9129672790 in words is "nine billion, one hundred twenty-nine million, six hundred seventy-two thousand, seven hundred ninety".