45631073 has 4 divisors (see below), whose sum is σ = 46744068. Its totient is φ = 44518080.

The previous prime is 45631067. The next prime is 45631097. The reversal of 45631073 is 37013654.

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 17572864 + 28058209 = 4192^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 45631073 - 2⁸ = 45630817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45631063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556436 + ... + 556517.

It is an arithmetic number, because the mean of its divisors is an integer number (11686017).

Almost surely, 2^45631073 is an apocalyptic number.

It is an amenable number.

45631073 is a deficient number, since it is larger than the sum of its proper divisors (1112995).

45631073 is a wasteful number, since it uses less digits than its factorization.

45631073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112994.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 45631073 is about 6755.0775717234. The cubic root of 45631073 is about 357.3443285265.

The spelling of 45631073 in words is "forty-five million, six hundred thirty-one thousand, seventy-three".