7419661 has 4 divisors (see below), whose sum is σ = 7427392. Its totient is φ = 7411932.

The previous prime is 7419649. The next prime is 7419673. The reversal of 7419661 is 1669147.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (7419649) and next prime (7419673).

It is a cyclic number.

It is not a de Polignac number, because 7419661 - 2¹⁵ = 7386893 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 (7419641) 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, 2181 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (1856848).

Almost surely, 2^7419661 is an apocalyptic number.

It is an amenable number.

7419661 is a deficient number, since it is larger than the sum of its proper divisors (7731).

7419661 is a wasteful number, since it uses less digits than its factorization.

7419661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730.

The product of its digits is 9072, while the sum is 34.

The square root of 7419661 is about 2723.9054682569. The cubic root of 7419661 is about 195.0419458308.

The spelling of 7419661 in words is "seven million, four hundred nineteen thousand, six hundred sixty-one".