531678742 has 16 divisors (see below), whose sum is σ = 915086592. Its totient is φ = 226953000.

The previous prime is 531678727. The next prime is 531678751. The reversal of 531678742 is 247876135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72138 + ... + 79165.

It is an arithmetic number, because the mean of its divisors is an integer number (57192912).

Almost surely, 2^531678742 is an apocalyptic number.

531678742 is a deficient number, since it is larger than the sum of its proper divisors (383407850).

531678742 is a wasteful number, since it uses less digits than its factorization.

531678742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151563.

The product of its digits is 282240, while the sum is 43.

The square root of 531678742 is about 23058.1599873017. The cubic root of 531678742 is about 810.1207674426.

The spelling of 531678742 in words is "five hundred thirty-one million, six hundred seventy-eight thousand, seven hundred forty-two".