73998337539 has 16 divisors (see below), whose sum is σ = 112771284480. Its totient is φ = 42280296960.

The previous prime is 73998337531. The next prime is 73998337559. The reversal of 73998337539 is 93573389937.

It is not a de Polignac number, because 73998337539 - 2³ = 73998337531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73998337539.

It is not an unprimeable number, because it can be changed into a prime (73998337531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22819 + ... + 385379.

It is an arithmetic number, because the mean of its divisors is an integer number (7048205280).

Almost surely, 2^73998337539 is an apocalyptic number.

73998337539 is a deficient number, since it is larger than the sum of its proper divisors (38772946941).

73998337539 is a wasteful number, since it uses less digits than its factorization.

73998337539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372290.

The product of its digits is 115736040, while the sum is 66.

The spelling of 73998337539 in words is "seventy-three billion, nine hundred ninety-eight million, three hundred thirty-seven thousand, five hundred thirty-nine".