505725734 has 16 divisors (see below), whose sum is σ = 793630656. Its totient is φ = 241444800.

The previous prime is 505725733. The next prime is 505725739. The reversal of 505725734 is 437527505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505725733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61757 + ... + 69464.

It is an arithmetic number, because the mean of its divisors is an integer number (49601916).

Almost surely, 2^505725734 is an apocalyptic number.

505725734 is a deficient number, since it is larger than the sum of its proper divisors (287904922).

505725734 is a wasteful number, since it uses less digits than its factorization.

505725734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131311.

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 505725734 is about 22488.3466266420. The cubic root of 505725734 is about 796.7187129699.

The spelling of 505725734 in words is "five hundred five million, seven hundred twenty-five thousand, seven hundred thirty-four".