473546749 has 4 divisors (see below), whose sum is σ = 509973436. Its totient is φ = 437120064.

The previous prime is 473546707. The next prime is 473546767. The reversal of 473546749 is 947645374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315240025 + 158306724 = 17755^2 + 12582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473546749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473546779) 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, 18213324 + ... + 18213349.

It is an arithmetic number, because the mean of its divisors is an integer number (127493359).

Almost surely, 2^473546749 is an apocalyptic number.

It is an amenable number.

473546749 is a deficient number, since it is larger than the sum of its proper divisors (36426687).

473546749 is a wasteful number, since it uses less digits than its factorization.

473546749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36426686.

The product of its digits is 2540160, while the sum is 49.

The square root of 473546749 is about 21761.1293135260. The cubic root of 473546749 is about 779.4488485374.

The spelling of 473546749 in words is "four hundred seventy-three million, five hundred forty-six thousand, seven hundred forty-nine".