404731742 has 8 divisors (see below), whose sum is σ = 607197432. Its totient is φ = 202332600.

The previous prime is 404731739. The next prime is 404731763. The reversal of 404731742 is 247137404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404731699 and 404731708.

It is a congruent number.

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, 3392 + ... + 28652.

It is an arithmetic number, because the mean of its divisors is an integer number (75899679).

Almost surely, 2^404731742 is an apocalyptic number.

404731742 is a deficient number, since it is larger than the sum of its proper divisors (202465690).

404731742 is a wasteful number, since it uses less digits than its factorization.

404731742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33274.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 404731742 is about 20117.9457698842. The cubic root of 404731742 is about 739.7002328567.

The spelling of 404731742 in words is "four hundred four million, seven hundred thirty-one thousand, seven hundred forty-two".