1000274664 has 16 divisors (see below), whose sum is σ = 2500686720. Its totient is φ = 333424880.

The previous prime is 1000274659. The next prime is 1000274677. The reversal of 1000274664 is 4664720001.

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, 20839032 + ... + 20839079.

It is an arithmetic number, because the mean of its divisors is an integer number (156292920).

Almost surely, 2^1000274664 is an apocalyptic number.

It is an amenable number.

1000274664 is an abundant number, since it is smaller than the sum of its proper divisors (1500412056).

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

1000274664 is a wasteful number, since it uses less digits than its factorization.

1000274664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41678120 (or 41678116 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1000274664 is about 31627.1191226770. The cubic root of 1000274664 is about 1000.0915462857.

Adding to 1000274664 its reverse (4664720001), we get a palindrome (5664994665).

It can be divided in two parts, 10002 and 74664, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 1000274664 in words is "one billion, two hundred seventy-four thousand, six hundred sixty-four".