752648742 has 12 divisors (see below), whose sum is σ = 1630738980. Its totient is φ = 250882908.

The previous prime is 752648693. The next prime is 752648747. The reversal of 752648742 is 247846257.

It is a happy number.

752648742 is a `hidden beast` number, since 7 + 526 + 4 + 87 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752648747) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20906892 + ... + 20906927.

It is an arithmetic number, because the mean of its divisors is an integer number (135894915).

Almost surely, 2^752648742 is an apocalyptic number.

752648742 is an abundant number, since it is smaller than the sum of its proper divisors (878090238).

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

752648742 is a wasteful number, since it uses less digits than its factorization.

752648742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41813827 (or 41813824 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 752648742 is about 27434.4444448945. Note that the first 6 decimals coincide. The cubic root of 752648742 is about 909.6286138988.

The spelling of 752648742 in words is "seven hundred fifty-two million, six hundred forty-eight thousand, seven hundred forty-two".