61327274572 has 12 divisors (see below), whose sum is σ = 108272489976. Its totient is φ = 30392277440.

The previous prime is 61327274539. The next prime is 61327274573. The reversal of 61327274572 is 27547272316.

It is a super-2 number, since 2×61327274572² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61327274573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67839454 + ... + 67840357.

It is an arithmetic number, because the mean of its divisors is an integer number (9022707498).

Almost surely, 2^61327274572 is an apocalyptic number.

It is an amenable number.

61327274572 is a deficient number, since it is larger than the sum of its proper divisors (46945215404).

61327274572 is a wasteful number, since it uses less digits than its factorization.

61327274572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135679928 (or 135679926 counting only the distinct ones).

The product of its digits is 987840, while the sum is 46.

The spelling of 61327274572 in words is "sixty-one billion, three hundred twenty-seven million, two hundred seventy-four thousand, five hundred seventy-two".