61234738730 has 32 divisors (see below), whose sum is σ = 120454205760. Its totient is φ = 22228021120.

The previous prime is 61234738723. The next prime is 61234738823. The reversal of 61234738730 is 3783743216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426584 + ... + 551763.

It is an arithmetic number, because the mean of its divisors is an integer number (3764193930).

Almost surely, 2^61234738730 is an apocalyptic number.

61234738730 is a deficient number, since it is larger than the sum of its proper divisors (59219467030).

61234738730 is a wasteful number, since it uses less digits than its factorization.

61234738730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978934.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 61234738730 in words is "sixty-one billion, two hundred thirty-four million, seven hundred thirty-eight thousand, seven hundred thirty".