2475666 has 12 divisors (see below), whose sum is σ = 5363982. Its totient is φ = 825216.

The previous prime is 2475653. The next prime is 2475673. The reversal of 2475666 is 6665742.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 772641 = 1305^2 + 879^2 .

It is a super-2 number, since 2×2475666² = 12257844287112, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2475666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68751 + ... + 68786.

2^2475666 is an apocalyptic number.

2475666 is an abundant number, since it is smaller than the sum of its proper divisors (2888316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2475666 is a wasteful number, since it uses less digits than its factorization.

2475666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137545 (or 137542 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2475666 is about 1573.4249267124. The cubic root of 2475666 is about 135.2790933982.

The spelling of 2475666 in words is "two million, four hundred seventy-five thousand, six hundred sixty-six".