75319742 has 4 divisors (see below), whose sum is σ = 112979616. Its totient is φ = 37659870.

The previous prime is 75319681. The next prime is 75319759. The reversal of 75319742 is 24791357.

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

It is a junction number, because it is equal to n+sod(n) for n = 75319696 and 75319705.

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, 18829934 + ... + 18829937.

It is an arithmetic number, because the mean of its divisors is an integer number (28244904).

Almost surely, 2^75319742 is an apocalyptic number.

75319742 is a deficient number, since it is larger than the sum of its proper divisors (37659874).

75319742 is a wasteful number, since it uses less digits than its factorization.

75319742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37659873.

The product of its digits is 52920, while the sum is 38.

The square root of 75319742 is about 8678.6947175252. The cubic root of 75319742 is about 422.3147737965.

The spelling of 75319742 in words is "seventy-five million, three hundred nineteen thousand, seven hundred forty-two".