73628859 has 4 divisors (see below), whose sum is σ = 98171816. Its totient is φ = 49085904.

The previous prime is 73628851. The next prime is 73628861. The reversal of 73628859 is 95882637.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73628859 - 2³ = 73628851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73628851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12271474 + ... + 12271479.

It is an arithmetic number, because the mean of its divisors is an integer number (24542954).

Almost surely, 2^73628859 is an apocalyptic number.

73628859 is a deficient number, since it is larger than the sum of its proper divisors (24542957).

73628859 is a wasteful number, since it uses less digits than its factorization.

73628859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24542956.

The product of its digits is 725760, while the sum is 48.

The square root of 73628859 is about 8580.7260182341. The cubic root of 73628859 is about 419.1305881561.

The spelling of 73628859 in words is "seventy-three million, six hundred twenty-eight thousand, eight hundred fifty-nine".