61347667750 has 16 divisors (see below), whose sum is σ = 114842834496. Its totient is φ = 24539067000.

The previous prime is 61347667687. The next prime is 61347667753. The reversal of 61347667750 is 5776674316.

61347667750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61347667753) 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, 122695086 + ... + 122695585.

It is an arithmetic number, because the mean of its divisors is an integer number (7177677156).

Almost surely, 2^61347667750 is an apocalyptic number.

61347667750 is a deficient number, since it is larger than the sum of its proper divisors (53495166746).

61347667750 is a wasteful number, since it uses less digits than its factorization.

61347667750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245390688 (or 245390678 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 61347667750 in words is "sixty-one billion, three hundred forty-seven million, six hundred sixty-seven thousand, seven hundred fifty".