61037707072 has 28 divisors (see below), whose sum is σ = 123174617760. Its totient is φ = 30001582976.

The previous prime is 61037707067. The next prime is 61037707091. The reversal of 61037707072 is 27070773016.

It is a congruent number.

It is an unprimeable number.

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, 8078548 + ... + 8086099.

Almost surely, 2^61037707072 is an apocalyptic number.

It is an amenable number.

61037707072 is an abundant number, since it is smaller than the sum of its proper divisors (62136910688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61037707072 is a wasteful number, since it uses less digits than its factorization.

61037707072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164718 (or 16164708 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 40.

The spelling of 61037707072 in words is "sixty-one billion, thirty-seven million, seven hundred seven thousand, seventy-two".