61064412 has 12 divisors (see below), whose sum is σ = 142483656. Its totient is φ = 20354800.

The previous prime is 61064387. The next prime is 61064417. The reversal of 61064412 is 21446016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61064417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544339 + ... + 2544362.

It is an arithmetic number, because the mean of its divisors is an integer number (11873638).

Almost surely, 2^61064412 is an apocalyptic number.

It is an amenable number.

61064412 is an abundant number, since it is smaller than the sum of its proper divisors (81419244).

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

61064412 is a wasteful number, since it uses less digits than its factorization.

61064412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088708 (or 5088706 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61064412 is about 7814.3721436850. The cubic root of 61064412 is about 393.7882256666.

The spelling of 61064412 in words is "sixty-one million, sixty-four thousand, four hundred twelve".