61444372 has 24 divisors (see below), whose sum is σ = 117758592. Its totient is φ = 27820800.

The previous prime is 61444367. The next prime is 61444373. The reversal of 61444372 is 27344416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61444373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9348 + ... + 14500.

It is an arithmetic number, because the mean of its divisors is an integer number (4906608).

Almost surely, 2^61444372 is an apocalyptic number.

It is an amenable number.

61444372 is a deficient number, since it is larger than the sum of its proper divisors (56314220).

61444372 is a wasteful number, since it uses less digits than its factorization.

61444372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439 (or 5437 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 61444372 is about 7838.6460565585. The cubic root of 61444372 is about 394.6032912882.

Adding to 61444372 its reverse (27344416), we get a palindrome (88788788).

It can be divided in two parts, 61444 and 372, that added together give a palindrome (61816).

The spelling of 61444372 in words is "sixty-one million, four hundred forty-four thousand, three hundred seventy-two".