7402661 has 8 divisors (see below), whose sum is σ = 8494464. Its totient is φ = 6319440.

The previous prime is 7402649. The next prime is 7402693. The reversal of 7402661 is 1662047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7402661 - 2¹⁰ = 7401637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7402661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (1061808).

Almost surely, 2^7402661 is an apocalyptic number.

It is an amenable number.

7402661 is a deficient number, since it is larger than the sum of its proper divisors (1091803).

7402661 is a wasteful number, since it uses less digits than its factorization.

7402661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7402661 is about 2720.7831593128. The cubic root of 7402661 is about 194.8928712464.

The spelling of 7402661 in words is "seven million, four hundred two thousand, six hundred sixty-one".