731642546 has 16 divisors (see below), whose sum is σ = 1114807776. Its totient is φ = 360049536.

The previous prime is 731642543. The next prime is 731642599. The reversal of 731642546 is 645246137.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (731642543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268925 + ... + 271631.

It is an arithmetic number, because the mean of its divisors is an integer number (69675486).

Almost surely, 2^731642546 is an apocalyptic number.

731642546 is a deficient number, since it is larger than the sum of its proper divisors (383165230).

731642546 is a wasteful number, since it uses less digits than its factorization.

731642546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793.

The product of its digits is 120960, while the sum is 38.

The square root of 731642546 is about 27048.8917702741. The cubic root of 731642546 is about 901.0861561455.

The spelling of 731642546 in words is "seven hundred thirty-one million, six hundred forty-two thousand, five hundred forty-six".