61240734476 has 12 divisors (see below), whose sum is σ = 108680740560. Its totient is φ = 30189094320.

The previous prime is 61240734439. The next prime is 61240734479. The reversal of 61240734476 is 67443704216.

It is not an unprimeable number, because it can be changed into a prime (61240734479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107817911 + ... + 107818478.

It is an arithmetic number, because the mean of its divisors is an integer number (9056728380).

Almost surely, 2^61240734476 is an apocalyptic number.

It is an amenable number.

61240734476 is a deficient number, since it is larger than the sum of its proper divisors (47440006084).

61240734476 is a wasteful number, since it uses less digits than its factorization.

61240734476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215636464 (or 215636462 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 61240734476 in words is "sixty-one billion, two hundred forty million, seven hundred thirty-four thousand, four hundred seventy-six".