526742742 has 16 divisors (see below), whose sum is σ = 1067917680. Its totient is φ = 173175552.

The previous prime is 526742729. The next prime is 526742743. The reversal of 526742742 is 247247625.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 526742742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526742743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600867 + ... + 601742.

It is an arithmetic number, because the mean of its divisors is an integer number (66744855).

Almost surely, 2^526742742 is an apocalyptic number.

526742742 is an abundant number, since it is smaller than the sum of its proper divisors (541174938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526742742 is a wasteful number, since it uses less digits than its factorization.

526742742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202687.

The product of its digits is 188160, while the sum is 39.

The square root of 526742742 is about 22950.8767152804. The cubic root of 526742742 is about 807.6059688335.

The spelling of 526742742 in words is "five hundred twenty-six million, seven hundred forty-two thousand, seven hundred forty-two".