741556644 has 12 divisors (see below), whose sum is σ = 1730298864. Its totient is φ = 247185544.

The previous prime is 741556597. The next prime is 741556657. The reversal of 741556644 is 446655147.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 741556596 and 741556605.

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, 30898182 + ... + 30898205.

It is an arithmetic number, because the mean of its divisors is an integer number (144191572).

Almost surely, 2^741556644 is an apocalyptic number.

It is an amenable number.

741556644 is an abundant number, since it is smaller than the sum of its proper divisors (988742220).

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

741556644 is a wasteful number, since it uses less digits than its factorization.

741556644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61796394 (or 61796392 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 741556644 is about 27231.5376723387. The cubic root of 741556644 is about 905.1379556286.

The spelling of 741556644 in words is "seven hundred forty-one million, five hundred fifty-six thousand, six hundred forty-four".