9072401 has 4 divisors (see below), whose sum is σ = 9770292. Its totient is φ = 8374512.

The previous prime is 9072383. The next prime is 9072421. The reversal of 9072401 is 1042709.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 801025 + 8271376 = 895^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 9072401 - 2⁶ = 9072337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9072421) by changing a digit.

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, 348926 + ... + 348951.

It is an arithmetic number, because the mean of its divisors is an integer number (2442573).

Almost surely, 2^9072401 is an apocalyptic number.

It is an amenable number.

9072401 is a deficient number, since it is larger than the sum of its proper divisors (697891).

9072401 is a wasteful number, since it uses less digits than its factorization.

9072401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697890.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 9072401 is about 3012.0426623805. The cubic root of 9072401 is about 208.5646715903.

The spelling of 9072401 in words is "nine million, seventy-two thousand, four hundred one".