7231474321 has 8 divisors (see below), whose sum is σ = 7652168064. Its totient is φ = 6819637440.

The previous prime is 7231474291. The next prime is 7231474381. The reversal of 7231474321 is 1234741327.

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 7231474321 - 2⁷ = 7231474193 is a prime.

It is a super-2 number, since 2×7231474321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7231474381) 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, 2212536 + ... + 2215801.

It is an arithmetic number, because the mean of its divisors is an integer number (956521008).

Almost surely, 2^7231474321 is an apocalyptic number.

7231474321 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7231474321 is a deficient number, since it is larger than the sum of its proper divisors (420693743).

7231474321 is a wasteful number, since it uses less digits than its factorization.

7231474321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428431.

The product of its digits is 28224, while the sum is 34.

The square root of 7231474321 is about 85038.0757131769. The cubic root of 7231474321 is about 1933.7883942253.

The spelling of 7231474321 in words is "seven billion, two hundred thirty-one million, four hundred seventy-four thousand, three hundred twenty-one".