2066742 has 16 divisors (see below), whose sum is σ = 4592880. Its totient is φ = 688896.

The previous prime is 2066723. The next prime is 2066759. The reversal of 2066742 is 2476602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19083 + ... + 19190.

It is an arithmetic number, because the mean of its divisors is an integer number (287055).

2^2066742 is an apocalyptic number.

2066742 is an abundant number, since it is smaller than the sum of its proper divisors (2526138).

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

2066742 is a wasteful number, since it uses less digits than its factorization.

2066742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38284 (or 38278 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2066742 is about 1437.6167778654. The cubic root of 2066742 is about 127.3782921627.

The spelling of 2066742 in words is "two million, sixty-six thousand, seven hundred forty-two".