73728858 has 32 divisors (see below), whose sum is σ = 169145856. Its totient is φ = 20987568.

The previous prime is 73728857. The next prime is 73728859. The reversal of 73728858 is 85882737.

It is an interprime number because it is at equal distance from previous prime (73728857) and next prime (73728859).

It is not an unprimeable number, because it can be changed into a prime (73728857) 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, 8785 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (5285808).

Almost surely, 2^73728858 is an apocalyptic number.

73728858 is an abundant number, since it is smaller than the sum of its proper divisors (95416998).

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

73728858 is a wasteful number, since it uses less digits than its factorization.

73728858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498.

The product of its digits is 752640, while the sum is 48.

The square root of 73728858 is about 8586.5509955977. The cubic root of 73728858 is about 419.3202496557.

The spelling of 73728858 in words is "seventy-three million, seven hundred twenty-eight thousand, eight hundred fifty-eight".