73867816 has 32 divisors (see below), whose sum is σ = 151437600. Its totient is φ = 33499840.

The previous prime is 73867777. The next prime is 73867817. The reversal of 73867816 is 61876837.

It is not an unprimeable number, because it can be changed into a prime (73867817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59490 + ... + 60718.

It is an arithmetic number, because the mean of its divisors is an integer number (4732425).

Almost surely, 2^73867816 is an apocalyptic number.

It is an amenable number.

73867816 is an abundant number, since it is smaller than the sum of its proper divisors (77569784).

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

73867816 is a wasteful number, since it uses less digits than its factorization.

73867816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1925 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 73867816 is about 8594.6387940390. The cubic root of 73867816 is about 419.5835176033.

The spelling of 73867816 in words is "seventy-three million, eight hundred sixty-seven thousand, eight hundred sixteen".