18970752 has 64 divisors (see below), whose sum is σ = 50918400. Its totient is φ = 6257664.

The previous prime is 18970747. The next prime is 18970753. The reversal of 18970752 is 25707981.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 18970752.

It is not an unprimeable number, because it can be changed into a prime (18970753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48574 + ... + 48962.

It is an arithmetic number, because the mean of its divisors is an integer number (795600).

Almost surely, 2^18970752 is an apocalyptic number.

18970752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18970752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25459200).

18970752 is an abundant number, since it is smaller than the sum of its proper divisors (31947648).

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

18970752 is a wasteful number, since it uses less digits than its factorization.

18970752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 18970752 is about 4355.5426757179. The cubic root of 18970752 is about 266.7031727799.

The spelling of 18970752 in words is "eighteen million, nine hundred seventy thousand, seven hundred fifty-two".