752289216 has 56 divisors (see below), whose sum is σ = 2274783360. Its totient is φ = 214939392.

The previous prime is 752289157. The next prime is 752289259. The reversal of 752289216 is 612982257.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 278526 + ... + 281213.

Almost surely, 2^752289216 is an apocalyptic number.

It is an amenable number.

752289216 is an abundant number, since it is smaller than the sum of its proper divisors (1522494144).

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

752289216 is a wasteful number, since it uses less digits than its factorization.

752289216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559761 (or 559751 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 752289216 is about 27427.8912058510. The cubic root of 752289216 is about 909.4837533968.

The spelling of 752289216 in words is "seven hundred fifty-two million, two hundred eighty-nine thousand, two hundred sixteen".