436042073 has 4 divisors (see below), whose sum is σ = 455000448. Its totient is φ = 417083700.

The previous prime is 436042051. The next prime is 436042081. The reversal of 436042073 is 370240634.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 436042073 - 2⁸ = 436041817 is a prime.

It is a super-2 number, since 2×436042073² = 380265378852274658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (436042573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9479153 + ... + 9479198.

It is an arithmetic number, because the mean of its divisors is an integer number (113750112).

Almost surely, 2^436042073 is an apocalyptic number.

It is an amenable number.

436042073 is a deficient number, since it is larger than the sum of its proper divisors (18958375).

436042073 is a wasteful number, since it uses less digits than its factorization.

436042073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18958374.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 436042073 is about 20881.6204591502. The cubic root of 436042073 is about 758.3030426200.

The spelling of 436042073 in words is "four hundred thirty-six million, forty-two thousand, seventy-three".