73771116 has 12 divisors (see below), whose sum is σ = 172132632. Its totient is φ = 24590368.

The previous prime is 73771111. The next prime is 73771123. The reversal of 73771116 is 61117737.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73771111) 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, 3073785 + ... + 3073808.

It is an arithmetic number, because the mean of its divisors is an integer number (14344386).

Almost surely, 2^73771116 is an apocalyptic number.

It is an amenable number.

73771116 is an abundant number, since it is smaller than the sum of its proper divisors (98361516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73771116 is a wasteful number, since it uses less digits than its factorization.

73771116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147600 (or 6147598 counting only the distinct ones).

The product of its digits is 6174, while the sum is 33.

The square root of 73771116 is about 8589.0113517215. The cubic root of 73771116 is about 419.4003460671.

The spelling of 73771116 in words is "seventy-three million, seven hundred seventy-one thousand, one hundred sixteen".