7452661 has 4 divisors (see below), whose sum is σ = 7462252. Its totient is φ = 7443072.

The previous prime is 7452659. The next prime is 7452673. The reversal of 7452661 is 1662547.

It is a happy number.

It is the 1115-th star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 6027025 = 1194^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 7452661 - 2¹ = 7452659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7452691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (1865563).

Almost surely, 2^7452661 is an apocalyptic number.

It is an amenable number.

7452661 is a deficient number, since it is larger than the sum of its proper divisors (9591).

7452661 is an equidigital number, since it uses as much as digits as its factorization.

7452661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590.

The product of its digits is 10080, while the sum is 31.

The square root of 7452661 is about 2729.9562267553. The cubic root of 7452661 is about 195.3306771477.

The spelling of 7452661 in words is "seven million, four hundred fifty-two thousand, six hundred sixty-one".