7516042 has 4 divisors (see below), whose sum is σ = 11274066. Its totient is φ = 3758020.

The previous prime is 7515979. The next prime is 7516049. The reversal of 7516042 is 2406157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2406157 = 13 ⋅185089.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 1846881 = 2381^2 + 1359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7515998 and 7516016.

It is not an unprimeable number, because it can be changed into a prime (7516049) by changing a digit.

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, 1879009 + ... + 1879012.

Almost surely, 2^7516042 is an apocalyptic number.

7516042 is a deficient number, since it is larger than the sum of its proper divisors (3758024).

7516042 is a wasteful number, since it uses less digits than its factorization.

7516042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758023.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7516042 is about 2741.5400781313. The cubic root of 7516042 is about 195.8828433544.

The spelling of 7516042 in words is "seven million, five hundred sixteen thousand, forty-two".