18734064 has 40 divisors (see below), whose sum is σ = 48605520. Its totient is φ = 6217728.

The previous prime is 18734047. The next prime is 18734081. The reversal of 18734064 is 46043781.

It is an interprime number because it is at equal distance from previous prime (18734047) and next prime (18734081).

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, 12592 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (1215138).

Almost surely, 2^18734064 is an apocalyptic number.

It is an amenable number.

18734064 is an abundant number, since it is smaller than the sum of its proper divisors (29871456).

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

18734064 is a wasteful number, since it uses less digits than its factorization.

18734064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 18734064 is about 4328.2864969870. The cubic root of 18734064 is about 265.5893563984.

The spelling of 18734064 in words is "eighteen million, seven hundred thirty-four thousand, sixty-four".