5670665 has 48 divisors (see below), whose sum is σ = 9295104. Its totient is φ = 3231360.

The previous prime is 5670661. The next prime is 5670671. The reversal of 5670665 is 5660765.

5670665 = 260² + 261² + ... + 325².

It is not a de Polignac number, because 5670665 - 2² = 5670661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5670661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55004 + ... + 55106.

It is an arithmetic number, because the mean of its divisors is an integer number (193648).

Almost surely, 2^5670665 is an apocalyptic number.

5670665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5670665 is a deficient number, since it is larger than the sum of its proper divisors (3624439).

5670665 is a wasteful number, since it uses less digits than its factorization.

5670665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 5670665 is about 2381.3158127388. The cubic root of 5670665 is about 178.3246295769.

The spelling of 5670665 in words is "five million, six hundred seventy thousand, six hundred sixty-five".