7214661 has 24 divisors (see below), whose sum is σ = 11331840. Its totient is φ = 4406400.

The previous prime is 7214657. The next prime is 7214671. The reversal of 7214661 is 1664127.

It is not a de Polignac number, because 7214661 - 2² = 7214657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (472160).

Almost surely, 2^7214661 is an apocalyptic number.

It is an amenable number.

7214661 is a deficient number, since it is larger than the sum of its proper divisors (4117179).

7214661 is a wasteful number, since it uses less digits than its factorization.

7214661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7214661 is about 2686.0120997494. The cubic root of 7214661 is about 193.2288532451.

Adding to 7214661 its reverse (1664127), we get a palindrome (8878788).

It can be divided in two parts, 7214 and 661, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 7214661 in words is "seven million, two hundred fourteen thousand, six hundred sixty-one".