1072664 has 16 divisors (see below), whose sum is σ = 2117400. Its totient is φ = 508032.

The previous prime is 1072657. The next prime is 1072711. The reversal of 1072664 is 4662701.

It is a d-powerful number, because it can be written as 1 + 0 + 7³ + 2¹³ + 6⁵ + 6⁵ + 4¹⁰ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377 + ... + 3680.

2^1072664 is an apocalyptic number.

It is an amenable number.

1072664 is a deficient number, since it is larger than the sum of its proper divisors (1044736).

1072664 is a wasteful number, since it uses less digits than its factorization.

1072664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1072664 is about 1035.6949357798. The cubic root of 1072664 is about 102.3657254269.

The spelling of 1072664 in words is "one million, seventy-two thousand, six hundred sixty-four".