79285742 has 4 divisors (see below), whose sum is σ = 118928616. Its totient is φ = 39642870.

The previous prime is 79285741. The next prime is 79285747. The reversal of 79285742 is 24758297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24758297 = 523 ⋅47339.

It is a junction number, because it is equal to n+sod(n) for n = 79285693 and 79285702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79285741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19821434 + ... + 19821437.

It is an arithmetic number, because the mean of its divisors is an integer number (29732154).

Almost surely, 2^79285742 is an apocalyptic number.

79285742 is a deficient number, since it is larger than the sum of its proper divisors (39642874).

79285742 is a wasteful number, since it uses less digits than its factorization.

79285742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39642873.

The product of its digits is 282240, while the sum is 44.

The square root of 79285742 is about 8904.2541518086. The cubic root of 79285742 is about 429.6007507440.

The spelling of 79285742 in words is "seventy-nine million, two hundred eighty-five thousand, seven hundred forty-two".