616740432 has 80 divisors (see below), whose sum is σ = 1986396672. Its totient is φ = 160191360.

The previous prime is 616740401. The next prime is 616740451. The reversal of 616740432 is 234047616.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 616740393 and 616740402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79738 + ... + 87129.

Almost surely, 2^616740432 is an apocalyptic number.

It is an amenable number.

616740432 is an abundant number, since it is smaller than the sum of its proper divisors (1369656240).

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

616740432 is a wasteful number, since it uses less digits than its factorization.

616740432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166896 (or 166890 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 616740432 is about 24834.2592400096. The cubic root of 616740432 is about 851.2049494337.

The spelling of 616740432 in words is "six hundred sixteen million, seven hundred forty thousand, four hundred thirty-two".