7450661 has 4 divisors (see below), whose sum is σ = 7540512. Its totient is φ = 7360812.

The previous prime is 7450637. The next prime is 7450673. The reversal of 7450661 is 1660547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7450661 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 (7410661) 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, 44801 + ... + 44966.

It is an arithmetic number, because the mean of its divisors is an integer number (1885128).

Almost surely, 2^7450661 is an apocalyptic number.

It is an amenable number.

7450661 is a deficient number, since it is larger than the sum of its proper divisors (89851).

7450661 is an equidigital number, since it uses as much as digits as its factorization.

7450661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89850.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7450661 is about 2729.5898959368. The cubic root of 7450661 is about 195.3132025703.

The spelling of 7450661 in words is "seven million, four hundred fifty thousand, six hundred sixty-one".