7283661 has 16 divisors (see below), whose sum is σ = 12108288. Its totient is φ = 3783600.

The previous prime is 7283659. The next prime is 7283693. The reversal of 7283661 is 1663827.

It is not a de Polignac number, because 7283661 - 2¹ = 7283659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

7283661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7283651) 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, 15535 + ... + 15996.

It is an arithmetic number, because the mean of its divisors is an integer number (756768).

Almost surely, 2^7283661 is an apocalyptic number.

It is an amenable number.

7283661 is a deficient number, since it is larger than the sum of its proper divisors (4824627).

7283661 is a wasteful number, since it uses less digits than its factorization.

7283661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31552.

The product of its digits is 12096, while the sum is 33.

The square root of 7283661 is about 2698.8258558121. The cubic root of 7283661 is about 193.8429043174.

The spelling of 7283661 in words is "seven million, two hundred eighty-three thousand, six hundred sixty-one".