73767138 has 8 divisors (see below), whose sum is σ = 147534288. Its totient is φ = 24589044.

The previous prime is 73767079. The next prime is 73767151. The reversal of 73767138 is 83176737.

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

73767138 is an admirable number.

It is a super-2 number, since 2×73767138² = 10883181297422088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73767138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147256 + ... + 6147267.

It is an arithmetic number, because the mean of its divisors is an integer number (18441786).

Almost surely, 2^73767138 is an apocalyptic number.

73767138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73767138 is a wasteful number, since it uses less digits than its factorization.

73767138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294528.

The product of its digits is 148176, while the sum is 42.

The square root of 73767138 is about 8588.7797736349. The cubic root of 73767138 is about 419.3928074140.

The spelling of 73767138 in words is "seventy-three million, seven hundred sixty-seven thousand, one hundred thirty-eight".