613728744 has 16 divisors (see below), whose sum is σ = 1534321920. Its totient is φ = 204576240.

The previous prime is 613728733. The next prime is 613728763. The reversal of 613728744 is 447827316.

It is a junction number, because it is equal to n+sod(n) for n = 613728696 and 613728705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12785992 + ... + 12786039.

It is an arithmetic number, because the mean of its divisors is an integer number (95895120).

Almost surely, 2^613728744 is an apocalyptic number.

It is an amenable number.

613728744 is an abundant number, since it is smaller than the sum of its proper divisors (920593176).

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

613728744 is a wasteful number, since it uses less digits than its factorization.

613728744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25572040 (or 25572036 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 613728744 is about 24773.5492814413. The cubic root of 613728744 is about 849.8171435954.

The spelling of 613728744 in words is "six hundred thirteen million, seven hundred twenty-eight thousand, seven hundred forty-four".