71461044 has 36 divisors (see below), whose sum is σ = 181080900. Its totient is φ = 23761920.

The previous prime is 71461043. The next prime is 71461051. The reversal of 71461044 is 44016417.

71461044 is a `hidden beast` number, since 7 + 1 + 4 + 610 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52012944 + 19448100 = 7212^2 + 4410^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 71460999 and 71461017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71461043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13954 + ... + 18374.

It is an arithmetic number, because the mean of its divisors is an integer number (5030025).

Almost surely, 2^71461044 is an apocalyptic number.

It is an amenable number.

71461044 is an abundant number, since it is smaller than the sum of its proper divisors (109619856).

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

71461044 is a wasteful number, since it uses less digits than its factorization.

71461044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880 (or 4875 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 71461044 is about 8453.4634322271. The cubic root of 71461044 is about 414.9761325607.

The spelling of 71461044 in words is "seventy-one million, four hundred sixty-one thousand, forty-four".