741551643 has 36 divisors (see below), whose sum is σ = 1253594160. Its totient is φ = 421164576.

The previous prime is 741551597. The next prime is 741551659. The reversal of 741551643 is 346155147.

741551643 is a `hidden beast` number, since 7 + 4 + 1 + 5 + 5 + 1 + 643 = 666.

741551643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 741551643 - 2⁸ = 741551387 is a prime.

It is a super-3 number, since 3×741551643³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 741551598 and 741551607.

It is not an unprimeable number, because it can be changed into a prime (741551683) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68613 + ... + 78681.

It is an arithmetic number, because the mean of its divisors is an integer number (34822060).

Almost surely, 2^741551643 is an apocalyptic number.

741551643 is a deficient number, since it is larger than the sum of its proper divisors (512042517).

741551643 is a wasteful number, since it uses less digits than its factorization.

741551643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10256 (or 10246 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 741551643 is about 27231.4458485039. The cubic root of 741551643 is about 905.1359208975.

The spelling of 741551643 in words is "seven hundred forty-one million, five hundred fifty-one thousand, six hundred forty-three".