746920505 has 8 divisors (see below), whose sum is σ = 897433992. Its totient is φ = 596783488.

The previous prime is 746920477. The next prime is 746920513. The reversal of 746920505 is 505029647.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110418064 + 636502441 = 10508^2 + 25229^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 746920505 - 2⁸ = 746920249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 89732 + ... + 97701.

It is an arithmetic number, because the mean of its divisors is an integer number (112179249).

Almost surely, 2^746920505 is an apocalyptic number.

It is an amenable number.

746920505 is a deficient number, since it is larger than the sum of its proper divisors (150513487).

746920505 is a wasteful number, since it uses less digits than its factorization.

746920505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188235.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 746920505 is about 27329.8464137653. The cubic root of 746920505 is about 907.3150763961.

The spelling of 746920505 in words is "seven hundred forty-six million, nine hundred twenty thousand, five hundred five".