9072099901 has 4 divisors (see below), whose sum is σ = 9141352704. Its totient is φ = 9002847100.

The previous prime is 9072099887. The next prime is 9072099913. The reversal of 9072099901 is 1099902709.

9072099901 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9072099901 - 2²⁵ = 9038545469 is a prime.

It is a super-2 number, since 2×9072099901² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9073099901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34626205 + ... + 34626466.

It is an arithmetic number, because the mean of its divisors is an integer number (2285338176).

Almost surely, 2^9072099901 is an apocalyptic number.

It is an amenable number.

9072099901 is a deficient number, since it is larger than the sum of its proper divisors (69252803).

9072099901 is a wasteful number, since it uses less digits than its factorization.

9072099901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69252802.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 9072099901 is about 95247.5716278373. The cubic root of 9072099901 is about 2085.6236425153.

The spelling of 9072099901 in words is "nine billion, seventy-two million, ninety-nine thousand, nine hundred one".