2666730 has 32 divisors (see below), whose sum is σ = 6982848. Its totient is φ = 646400.

The previous prime is 2666717. The next prime is 2666743. The reversal of 2666730 is 376662.

It is an interprime number because it is at equal distance from previous prime (2666717) and next prime (2666743).

It is a super-2 number, since 2×2666730² = 14222897785800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (218214).

2^2666730 is an apocalyptic number.

2666730 is an abundant number, since it is smaller than the sum of its proper divisors (4316118).

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

2666730 is a wasteful number, since it uses less digits than its factorization.

2666730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 2666730 is about 1633.0125535341. The cubic root of 2666730 is about 138.6733526835.

It can be divided in two parts, 266 and 6730, that added together give a palindrome (6996).

The spelling of 2666730 in words is "two million, six hundred sixty-six thousand, seven hundred thirty".