61219432 has 16 divisors (see below), whose sum is σ = 115430400. Its totient is φ = 30438000.

The previous prime is 61219429. The next prime is 61219439. The reversal of 61219432 is 23491216.

It is a self number, because there is not a number n which added to its sum of digits gives 61219432.

It is not an unprimeable number, because it can be changed into a prime (61219439) 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 3 ways as a sum of consecutive naturals, for example, 19944 + ... + 22807.

It is an arithmetic number, because the mean of its divisors is an integer number (7214400).

Almost surely, 2^61219432 is an apocalyptic number.

It is an amenable number.

61219432 is a deficient number, since it is larger than the sum of its proper divisors (54210968).

61219432 is a wasteful number, since it uses less digits than its factorization.

61219432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42936 (or 42932 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 61219432 is about 7824.2847596442. The cubic root of 61219432 is about 394.1211717286.

The spelling of 61219432 in words is "sixty-one million, two hundred nineteen thousand, four hundred thirty-two".