73871764 has 12 divisors (see below), whose sum is σ = 132282304. Its totient is φ = 36076824.

The previous prime is 73871761. The next prime is 73871779. The reversal of 73871764 is 46717837.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 73871764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73871761) 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, 214572 + ... + 214915.

Almost surely, 2^73871764 is an apocalyptic number.

It is an amenable number.

73871764 is a deficient number, since it is larger than the sum of its proper divisors (58410540).

73871764 is a wasteful number, since it uses less digits than its factorization.

73871764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429534 (or 429532 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 73871764 is about 8594.8684690343. The cubic root of 73871764 is about 419.5909926053.

The spelling of 73871764 in words is "seventy-three million, eight hundred seventy-one thousand, seven hundred sixty-four".