613729432 has 8 divisors (see below), whose sum is σ = 1150742700. Its totient is φ = 306864712.

The previous prime is 613729373. The next prime is 613729439. The reversal of 613729432 is 234927316.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 613729391 and 613729400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613729439) 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 as a sum of consecutive naturals, namely, 38358082 + ... + 38358097.

Almost surely, 2^613729432 is an apocalyptic number.

It is an amenable number.

613729432 is a deficient number, since it is larger than the sum of its proper divisors (537013268).

613729432 is a wasteful number, since it uses less digits than its factorization.

613729432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76716185 (or 76716181 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 613729432 is about 24773.5631672152. The cubic root of 613729432 is about 849.8174611483.

The spelling of 613729432 in words is "six hundred thirteen million, seven hundred twenty-nine thousand, four hundred thirty-two".