752720887 has 4 divisors (see below), whose sum is σ = 753228576. Its totient is φ = 752213200.

The previous prime is 752720869. The next prime is 752720921. The reversal of 752720887 is 788027257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 752720887 - 2¹⁵ = 752688119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752720387) 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, 251614 + ... + 254587.

It is an arithmetic number, because the mean of its divisors is an integer number (188307144).

Almost surely, 2^752720887 is an apocalyptic number.

752720887 is a deficient number, since it is larger than the sum of its proper divisors (507689).

752720887 is a wasteful number, since it uses less digits than its factorization.

752720887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507688.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 752720887 is about 27435.7592750775. The cubic root of 752720887 is about 909.6576770620.

The spelling of 752720887 in words is "seven hundred fifty-two million, seven hundred twenty thousand, eight hundred eighty-seven".