61574412 has 12 divisors (see below), whose sum is σ = 143673656. Its totient is φ = 20524800.

The previous prime is 61574411. The next prime is 61574477. The reversal of 61574412 is 21447516.

61574412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61574412.

It is not an unprimeable number, because it can be changed into a prime (61574411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565589 + ... + 2565612.

Almost surely, 2^61574412 is an apocalyptic number.

It is an amenable number.

61574412 is an abundant number, since it is smaller than the sum of its proper divisors (82099244).

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

61574412 is a wasteful number, since it uses less digits than its factorization.

61574412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131208 (or 5131206 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 61574412 is about 7846.9364722801. The cubic root of 61574412 is about 394.8814727425.

The spelling of 61574412 in words is "sixty-one million, five hundred seventy-four thousand, four hundred twelve".