73908071381 has 8 divisors (see below), whose sum is σ = 75583790304. Its totient is φ = 72249194160.

The previous prime is 73908071339. The next prime is 73908071399. The reversal of 73908071381 is 18317080937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73908071381 - 2³⁴ = 56728202197 is a prime.

It is a super-2 number, since 2×73908071381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73908071311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4201550 + ... + 4219103.

It is an arithmetic number, because the mean of its divisors is an integer number (9447973788).

Almost surely, 2^73908071381 is an apocalyptic number.

It is an amenable number.

73908071381 is a deficient number, since it is larger than the sum of its proper divisors (1675718923).

73908071381 is a wasteful number, since it uses less digits than its factorization.

73908071381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420851.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 73908071381 in words is "seventy-three billion, nine hundred eight million, seventy-one thousand, three hundred eighty-one".