73698435993 has 64 divisors (see below), whose sum is σ = 125248241664. Its totient is φ = 37497600000.

The previous prime is 73698435983. The next prime is 73698435997. The reversal of 73698435993 is 39953489637.

It is not a de Polignac number, because 73698435993 - 2⁵ = 73698435961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73698435997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2617993 + ... + 2645993.

It is an arithmetic number, because the mean of its divisors is an integer number (1957003776).

Almost surely, 2^73698435993 is an apocalyptic number.

It is an amenable number.

73698435993 is a deficient number, since it is larger than the sum of its proper divisors (51549805671).

73698435993 is a wasteful number, since it uses less digits than its factorization.

73698435993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366.

The product of its digits is 132269760, while the sum is 66.

The spelling of 73698435993 in words is "seventy-three billion, six hundred ninety-eight million, four hundred thirty-five thousand, nine hundred ninety-three".