1000018072 has 16 divisors (see below), whose sum is σ = 1875603240. Its totient is φ = 499857216.

The previous prime is 1000018067. The next prime is 1000018073. The reversal of 1000018072 is 2708100001.

It is a super-2 number, since 2×1000018072² = 2000072288653194368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000018073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988 + ... + 46300.

Almost surely, 2^1000018072 is an apocalyptic number.

It is an amenable number.

1000018072 is a deficient number, since it is larger than the sum of its proper divisors (875585168).

1000018072 is a wasteful number, since it uses less digits than its factorization.

1000018072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37962 (or 37958 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1000018072 is about 31623.0623438022. The cubic root of 1000018072 is about 1000.0060239637.

Adding to 1000018072 its reverse (2708100001), we get a palindrome (3708118073).

The spelling of 1000018072 in words is "one billion, eighteen thousand, seventy-two".