7404661 has 16 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 6274800.

The previous prime is 7404659. The next prime is 7404731. The reversal of 7404661 is 1664047.

It is a cyclic number.

It is not a de Polignac number, because 7404661 - 2¹ = 7404659 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 (7404611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14590 + ... + 15088.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^7404661 is an apocalyptic number.

7404661 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7404661 is a deficient number, since it is larger than the sum of its proper divisors (1235339).

7404661 is a wasteful number, since it uses less digits than its factorization.

7404661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7404661 is about 2721.1506757253. The cubic root of 7404661 is about 194.9104212709.

The spelling of 7404661 in words is "seven million, four hundred four thousand, six hundred sixty-one".