18070744 has 8 divisors (see below), whose sum is σ = 33882660. Its totient is φ = 9035368.

The previous prime is 18070733. The next prime is 18070747. The reversal of 18070744 is 44707081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129414 + ... + 1129429.

Almost surely, 2^18070744 is an apocalyptic number.

It is an amenable number.

18070744 is a deficient number, since it is larger than the sum of its proper divisors (15811916).

18070744 is a wasteful number, since it uses less digits than its factorization.

18070744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258849 (or 2258845 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 18070744 is about 4250.9697717109. The cubic root of 18070744 is about 262.4170271397.

The spelling of 18070744 in words is "eighteen million, seventy thousand, seven hundred forty-four".