755604742 has 4 divisors (see below), whose sum is σ = 1133407116. Its totient is φ = 377802370.

The previous prime is 755604739. The next prime is 755604769. The reversal of 755604742 is 247406557.

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

It is a super-2 number, since 2×755604742² = 1141877052265773128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 755604695 and 755604704.

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 as a sum of consecutive naturals, namely, 188901184 + ... + 188901187.

It is an arithmetic number, because the mean of its divisors is an integer number (283351779).

Almost surely, 2^755604742 is an apocalyptic number.

755604742 is a deficient number, since it is larger than the sum of its proper divisors (377802374).

755604742 is a wasteful number, since it uses less digits than its factorization.

755604742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377802373.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 755604742 is about 27488.2655327687. The cubic root of 755604742 is about 910.8179024996.

The spelling of 755604742 in words is "seven hundred fifty-five million, six hundred four thousand, seven hundred forty-two".