7464521 has 8 divisors (see below), whose sum is σ = 7737600. Its totient is φ = 7193520.

The previous prime is 7464517. The next prime is 7464529. The reversal of 7464521 is 1254647.

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 7464521 - 2² = 7464517 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7464529) 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, 11750 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (967200).

Almost surely, 2^7464521 is an apocalyptic number.

It is an amenable number.

7464521 is a deficient number, since it is larger than the sum of its proper divisors (273079).

7464521 is a wasteful number, since it uses less digits than its factorization.

7464521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its digits is 6720, while the sum is 29.

The square root of 7464521 is about 2732.1275592476. The cubic root of 7464521 is about 195.4342372069.

The spelling of 7464521 in words is "seven million, four hundred sixty-four thousand, five hundred twenty-one".