61612344 has 24 divisors (see below), whose sum is σ = 166866960. Its totient is φ = 20537424.

The previous prime is 61612339. The next prime is 61612349. The reversal of 61612344 is 44321616.

61612344 is a `hidden beast` number, since 6 + 1 + 612 + 3 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (61612339) and next prime (61612349).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61612349) 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 5 ways as a sum of consecutive naturals, for example, 427792 + ... + 427935.

It is an arithmetic number, because the mean of its divisors is an integer number (6952790).

Almost surely, 2^61612344 is an apocalyptic number.

It is an amenable number.

61612344 is an abundant number, since it is smaller than the sum of its proper divisors (105254616).

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

61612344 is a wasteful number, since it uses less digits than its factorization.

61612344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855739 (or 855732 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 61612344 is about 7849.3530943639. The cubic root of 61612344 is about 394.9625430486.

The spelling of 61612344 in words is "sixty-one million, six hundred twelve thousand, three hundred forty-four".