675636742 has 16 divisors (see below), whose sum is σ = 1106468352. Its totient is φ = 306862920.

The previous prime is 675636737. The next prime is 675636757. The reversal of 675636742 is 247636576.

It is a junction number, because it is equal to n+sod(n) for n = 675636692 and 675636701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17623 + ... + 40765.

It is an arithmetic number, because the mean of its divisors is an integer number (69154272).

Almost surely, 2^675636742 is an apocalyptic number.

675636742 is a deficient number, since it is larger than the sum of its proper divisors (430831610).

675636742 is a wasteful number, since it uses less digits than its factorization.

675636742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483.

The product of its digits is 1270080, while the sum is 46.

The square root of 675636742 is about 25993.0133305086. The cubic root of 675636742 is about 877.4810636520.

It can be divided in two parts, 67563 and 6742, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 675636742 in words is "six hundred seventy-five million, six hundred thirty-six thousand, seven hundred forty-two".