512293742 has 8 divisors (see below), whose sum is σ = 813643056. Its totient is φ = 241079392.

The previous prime is 512293741. The next prime is 512293753. The reversal of 512293742 is 247392215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512293741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7533698 + ... + 7533765.

It is an arithmetic number, because the mean of its divisors is an integer number (101705382).

Almost surely, 2^512293742 is an apocalyptic number.

512293742 is a deficient number, since it is larger than the sum of its proper divisors (301349314).

512293742 is a wasteful number, since it uses less digits than its factorization.

512293742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15067482.

The product of its digits is 30240, while the sum is 35.

The square root of 512293742 is about 22633.9069097670. The cubic root of 512293742 is about 800.1529613767.

The spelling of 512293742 in words is "five hundred twelve million, two hundred ninety-three thousand, seven hundred forty-two".