505745734 has 8 divisors (see below), whose sum is σ = 816973920. Its totient is φ = 233421096.

The previous prime is 505745731. The next prime is 505745741. The reversal of 505745734 is 437547505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505745731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9725854 + ... + 9725905.

It is an arithmetic number, because the mean of its divisors is an integer number (102121740).

Almost surely, 2^505745734 is an apocalyptic number.

505745734 is a deficient number, since it is larger than the sum of its proper divisors (311228186).

505745734 is a wasteful number, since it uses less digits than its factorization.

505745734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451774.

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 505745734 is about 22488.7912969995. The cubic root of 505745734 is about 796.7292154769.

The spelling of 505745734 in words is "five hundred five million, seven hundred forty-five thousand, seven hundred thirty-four".