752649889 has 4 divisors (see below), whose sum is σ = 758395440. Its totient is φ = 746904340.

The previous prime is 752649851. The next prime is 752649917. The reversal of 752649889 is 988946257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 752649889 - 2⁹ = 752649377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (752649829) 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, 2872579 + ... + 2872840.

It is an arithmetic number, because the mean of its divisors is an integer number (189598860).

Almost surely, 2^752649889 is an apocalyptic number.

It is an amenable number.

752649889 is a deficient number, since it is larger than the sum of its proper divisors (5745551).

752649889 is a wasteful number, since it uses less digits than its factorization.

752649889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745550.

The product of its digits is 8709120, while the sum is 58.

The square root of 752649889 is about 27434.4653492646. The cubic root of 752649889 is about 909.6290759751.

The spelling of 752649889 in words is "seven hundred fifty-two million, six hundred forty-nine thousand, eight hundred eighty-nine".