73145435 has 32 divisors (see below), whose sum is σ = 99187200. Its totient is φ = 51321600.

The previous prime is 73145393. The next prime is 73145447. The reversal of 73145435 is 53454137.

It is not a de Polignac number, because 73145435 - 2²⁶ = 6036571 is a prime.

It is a super-2 number, since 2×73145435² = 10700509322678450, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 367466 + ... + 367664.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^73145435 is an apocalyptic number.

73145435 is a deficient number, since it is larger than the sum of its proper divisors (26041765).

73145435 is a wasteful number, since it uses less digits than its factorization.

73145435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 25200, while the sum is 32.

The square root of 73145435 is about 8552.5104501544. The cubic root of 73145435 is about 418.2112799101.

The spelling of 73145435 in words is "seventy-three million, one hundred forty-five thousand, four hundred thirty-five".