7452645 has 16 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 3957824.

The previous prime is 7452619. The next prime is 7452659. The reversal of 7452645 is 5462547.

It is a cyclic number.

It is not a de Polignac number, because 7452645 - 2¹⁶ = 7387109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^7452645 is an apocalyptic number.

It is an amenable number.

7452645 is a deficient number, since it is larger than the sum of its proper divisors (4522395).

7452645 is a wasteful number, since it uses less digits than its factorization.

7452645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its digits is 33600, while the sum is 33.

The square root of 7452645 is about 2729.9532963038. The cubic root of 7452645 is about 195.3305373635.

The spelling of 7452645 in words is "seven million, four hundred fifty-two thousand, six hundred forty-five".