7494472321 has 8 divisors (see below), whose sum is σ = 9068941440. Its totient is φ = 6045960768.

The previous prime is 7494472303. The next prime is 7494472327. The reversal of 7494472321 is 1232744947.

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

It is a cyclic number.

It is not a de Polignac number, because 7494472321 - 2⁵ = 7494472289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7494472327) 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, 31489261 + ... + 31489498.

It is an arithmetic number, because the mean of its divisors is an integer number (1133617680).

Almost surely, 2^7494472321 is an apocalyptic number.

It is an amenable number.

7494472321 is a deficient number, since it is larger than the sum of its proper divisors (1574469119).

7494472321 is a wasteful number, since it uses less digits than its factorization.

7494472321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62978783.

The product of its digits is 338688, while the sum is 43.

The square root of 7494472321 is about 86570.6204263317. The cubic root of 7494472321 is about 1956.9528105787.

The spelling of 7494472321 in words is "seven billion, four hundred ninety-four million, four hundred seventy-two thousand, three hundred twenty-one".