61085472 has 48 divisors (see below), whose sum is σ = 183258432. Its totient is φ = 17452800.

The previous prime is 61085443. The next prime is 61085503. The reversal of 61085472 is 27458016.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44779 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (3817884).

Almost surely, 2^61085472 is an apocalyptic number.

It is an amenable number.

61085472 is an abundant number, since it is smaller than the sum of its proper divisors (122172960).

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

61085472 is a wasteful number, since it uses less digits than its factorization.

61085472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90921 (or 90913 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 61085472 is about 7815.7195446101. The cubic root of 61085472 is about 393.8334905847.

The spelling of 61085472 in words is "sixty-one million, eighty-five thousand, four hundred seventy-two".