61467321474 has 128 divisors (see below), whose sum is σ = 153657907200. Its totient is φ = 18071760960.

The previous prime is 61467321397. The next prime is 61467321563. The reversal of 61467321474 is 47412376416.

61467321474 is a `hidden beast` number, since 6 + 146 + 7 + 32 + 1 + 474 = 666.

It is a super-3 number, since 3×61467321474³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 25493329 + ... + 25495739.

It is an arithmetic number, because the mean of its divisors is an integer number (1200452400).

Almost surely, 2^61467321474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61467321474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76828953600).

61467321474 is an abundant number, since it is smaller than the sum of its proper divisors (92190585726).

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

61467321474 is a wasteful number, since it uses less digits than its factorization.

61467321474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4031 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 61467321474 in words is "sixty-one billion, four hundred sixty-seven million, three hundred twenty-one thousand, four hundred seventy-four".