61026742606724 has 24 divisors (see below), whose sum is σ = 107855846177688. Its totient is φ = 30210795814400.

The previous prime is 61026742606723. The next prime is 61026742606747. The reversal of 61026742606724 is 42760624762016.

It can be written as a sum of positive squares in 4 ways, for example, as 26481501256324 + 34545241350400 = 5146018^2 + 5877520^2 .

It is not an unprimeable number, because it can be changed into a prime (61026742606723) 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, 26032022 + ... + 28279314.

It is an arithmetic number, because the mean of its divisors is an integer number (4493993590737).

Almost surely, 2^{61026742606724} is an apocalyptic number.

It is an amenable number.

61026742606724 is a deficient number, since it is larger than the sum of its proper divisors (46829103570964).

61026742606724 is a wasteful number, since it uses less digits than its factorization.

61026742606724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314615 (or 2314613 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 61026742606724 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, seven hundred twenty-four".