73434858 has 32 divisors (see below), whose sum is σ = 169347456. Its totient is φ = 20794368.

The previous prime is 73434857. The next prime is 73434863. The reversal of 73434858 is 85843437.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (73434857) 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 15 ways as a sum of consecutive naturals, for example, 2991 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (5292108).

Almost surely, 2^73434858 is an apocalyptic number.

73434858 is an abundant number, since it is smaller than the sum of its proper divisors (95912598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73434858 is a wasteful number, since it uses less digits than its factorization.

73434858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598.

The product of its digits is 322560, while the sum is 42.

The square root of 73434858 is about 8569.4140989918. The cubic root of 73434858 is about 418.7621489607.

The spelling of 73434858 in words is "seventy-three million, four hundred thirty-four thousand, eight hundred fifty-eight".