39077242 has 4 divisors (see below), whose sum is σ = 58615866. Its totient is φ = 19538620.

The previous prime is 39077201. The next prime is 39077249. The reversal of 39077242 is 24277093.

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

It can be written as a sum of positive squares in only one way, i.e., 21613201 + 17464041 = 4649^2 + 4179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39077198 and 39077207.

It is not an unprimeable number, because it can be changed into a prime (39077249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9769309 + ... + 9769312.

Almost surely, 2^39077242 is an apocalyptic number.

39077242 is a deficient number, since it is larger than the sum of its proper divisors (19538624).

39077242 is a wasteful number, since it uses less digits than its factorization.

39077242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19538623.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 39077242 is about 6251.1792487498. The cubic root of 39077242 is about 339.3448803801.

The spelling of 39077242 in words is "thirty-nine million, seventy-seven thousand, two hundred forty-two".