7314531621 has 8 divisors (see below), whose sum is σ = 9870211680. Its totient is φ = 4817602992.

The previous prime is 7314531611. The next prime is 7314531649. The reversal of 7314531621 is 1261354137.

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

It is not a de Polignac number, because 7314531621 - 2¹⁵ = 7314498853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7314531611) 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, 14687566 + ... + 14688063.

It is an arithmetic number, because the mean of its divisors is an integer number (1233776460).

Almost surely, 2^7314531621 is an apocalyptic number.

It is an amenable number.

7314531621 is a deficient number, since it is larger than the sum of its proper divisors (2555680059).

7314531621 is a wasteful number, since it uses less digits than its factorization.

7314531621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29375715.

The product of its digits is 15120, while the sum is 33.

The square root of 7314531621 is about 85525.0350540706. The cubic root of 7314531621 is about 1941.1637560876.

Adding to 7314531621 its reverse (1261354137), we get a palindrome (8575885758).

The spelling of 7314531621 in words is "seven billion, three hundred fourteen million, five hundred thirty-one thousand, six hundred twenty-one".