39162742 has 4 divisors (see below), whose sum is σ = 58744116. Its totient is φ = 19581370.

The previous prime is 39162737. The next prime is 39162757. The reversal of 39162742 is 24726193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24726193 = 233 ⋅106121.

It is a junction number, because it is equal to n+sod(n) for n = 39162698 and 39162707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9790684 + ... + 9790687.

It is an arithmetic number, because the mean of its divisors is an integer number (14686029).

Almost surely, 2^39162742 is an apocalyptic number.

39162742 is a deficient number, since it is larger than the sum of its proper divisors (19581374).

39162742 is a wasteful number, since it uses less digits than its factorization.

39162742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581373.

The product of its digits is 18144, while the sum is 34.

The square root of 39162742 is about 6258.0142217799. The cubic root of 39162742 is about 339.5921927189.

The spelling of 39162742 in words is "thirty-nine million, one hundred sixty-two thousand, seven hundred forty-two".