61467413472 has 72 divisors (see below), whose sum is σ = 174823982424. Its totient is φ = 20486087424.

The previous prime is 61467413341. The next prime is 61467413489. The reversal of 61467413472 is 27431476416.

61467413472 is a `hidden beast` number, since 61 + 46 + 74 + 13 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2766118 + ... + 2788250.

It is an arithmetic number, because the mean of its divisors is an integer number (2428110867).

Almost surely, 2^61467413472 is an apocalyptic number.

It is an amenable number.

61467413472 is an abundant number, since it is smaller than the sum of its proper divisors (113356568952).

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

61467413472 is a wasteful number, since it uses less digits than its factorization.

61467413472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792 (or 31781 counting only the distinct ones).

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

Adding to 61467413472 its reverse (27431476416), we get a palindrome (88898889888).

The spelling of 61467413472 in words is "sixty-one billion, four hundred sixty-seven million, four hundred thirteen thousand, four hundred seventy-two".