73628488897 has 4 divisors (see below), whose sum is σ = 73668879360. Its totient is φ = 73588098436.

The previous prime is 73628488889. The next prime is 73628489003. The reversal of 73628488897 is 79888482637.

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 73628488897 - 2³ = 73628488889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73628488097) 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, 20192497 + ... + 20196142.

It is an arithmetic number, because the mean of its divisors is an integer number (18417219840).

Almost surely, 2^73628488897 is an apocalyptic number.

It is an amenable number.

73628488897 is a deficient number, since it is larger than the sum of its proper divisors (40390463).

73628488897 is a wasteful number, since it uses less digits than its factorization.

73628488897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40390462.

The product of its digits is 260112384, while the sum is 70.

The spelling of 73628488897 in words is "seventy-three billion, six hundred twenty-eight million, four hundred eighty-eight thousand, eight hundred ninety-seven".