751240342 has 4 divisors (see below), whose sum is σ = 1126860516. Its totient is φ = 375620170.

The previous prime is 751240337. The next prime is 751240349. The reversal of 751240342 is 243042157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243042157 = 79 ⋅3076483.

It is a self number, because there is not a number n which added to its sum of digits gives 751240342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (751240349) 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, 187810084 + ... + 187810087.

It is an arithmetic number, because the mean of its divisors is an integer number (281715129).

Almost surely, 2^751240342 is an apocalyptic number.

751240342 is a deficient number, since it is larger than the sum of its proper divisors (375620174).

751240342 is a wasteful number, since it uses less digits than its factorization.

751240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375620173.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 751240342 is about 27408.7639633749. The cubic root of 751240342 is about 909.0608763418.

Adding to 751240342 its reverse (243042157), we get a palindrome (994282499).

The spelling of 751240342 in words is "seven hundred fifty-one million, two hundred forty thousand, three hundred forty-two".