7346521 has 24 divisors (see below), whose sum is σ = 9703680. Its totient is φ = 5497632.

The previous prime is 7346477. The next prime is 7346527. The reversal of 7346521 is 1256437.

It is not a de Polignac number, because 7346521 - 2¹⁷ = 7215449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7346521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7346527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11800 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (404320).

Almost surely, 2^7346521 is an apocalyptic number.

It is an amenable number.

7346521 is a deficient number, since it is larger than the sum of its proper divisors (2357159).

7346521 is a wasteful number, since it uses less digits than its factorization.

7346521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 7346521 is about 2710.4466421607. The cubic root of 7346521 is about 194.3989469846.

It can be divided in two parts, 7 and 346521, that added together give a triangular number (346528 = T₈₃₂).

The spelling of 7346521 in words is "seven million, three hundred forty-six thousand, five hundred twenty-one".