731771042 has 16 divisors (see below), whose sum is σ = 1107067392. Its totient is φ = 362761680.

The previous prime is 731771039. The next prime is 731771057. The reversal of 731771042 is 240177137.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118073 + ... + 124115.

It is an arithmetic number, because the mean of its divisors is an integer number (69191712).

Almost surely, 2^731771042 is an apocalyptic number.

731771042 is a deficient number, since it is larger than the sum of its proper divisors (375296350).

731771042 is a wasteful number, since it uses less digits than its factorization.

731771042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 731771042 is about 27051.2669204235. The cubic root of 731771042 is about 901.1389046676.

The spelling of 731771042 in words is "seven hundred thirty-one million, seven hundred seventy-one thousand, forty-two".