73836980971 has 16 divisors (see below), whose sum is σ = 80878885920. Its totient is φ = 66991288320.

The previous prime is 73836980969. The next prime is 73836980993. The reversal of 73836980971 is 17908963837.

It is a cyclic number.

It is not a de Polignac number, because 73836980971 - 2¹ = 73836980969 is a prime.

It is a super-2 number, since 2×73836980971² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73836980941) 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, 1084296 + ... + 1150378.

It is an arithmetic number, because the mean of its divisors is an integer number (5054930370).

Almost surely, 2^73836980971 is an apocalyptic number.

73836980971 is a deficient number, since it is larger than the sum of its proper divisors (7041904949).

73836980971 is a wasteful number, since it uses less digits than its factorization.

73836980971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67566.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 73836980971 in words is "seventy-three billion, eight hundred thirty-six million, nine hundred eighty thousand, nine hundred seventy-one".