556719742 has 16 divisors (see below), whose sum is σ = 850575600. Its totient is φ = 273240000.

The previous prime is 556719727. The next prime is 556719749. The reversal of 556719742 is 247917655.

It is a super-2 number, since 2×556719742² = 619873742265093128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556719692 and 556719701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556719749) 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, 13492 + ... + 35992.

It is an arithmetic number, because the mean of its divisors is an integer number (53160975).

Almost surely, 2^556719742 is an apocalyptic number.

556719742 is a deficient number, since it is larger than the sum of its proper divisors (293855858).

556719742 is a wasteful number, since it uses less digits than its factorization.

556719742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22731.

The product of its digits is 529200, while the sum is 46.

The square root of 556719742 is about 23594.9092390710. The cubic root of 556719742 is about 822.6445169392.

The spelling of 556719742 in words is "five hundred fifty-six million, seven hundred nineteen thousand, seven hundred forty-two".