75042718 has 4 divisors (see below), whose sum is σ = 112564080. Its totient is φ = 37521358.

The previous prime is 75042713. The next prime is 75042719. The reversal of 75042718 is 81724057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81724057 = 661 ⋅123637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75042713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18760678 + ... + 18760681.

It is an arithmetic number, because the mean of its divisors is an integer number (28141020).

Almost surely, 2^75042718 is an apocalyptic number.

75042718 is a deficient number, since it is larger than the sum of its proper divisors (37521362).

75042718 is a wasteful number, since it uses less digits than its factorization.

75042718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37521361.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 75042718 is about 8662.7200116361. The cubic root of 75042718 is about 421.7963835803.

The spelling of 75042718 in words is "seventy-five million, forty-two thousand, seven hundred eighteen".