73864865 has 8 divisors (see below), whose sum is σ = 88976448. Its totient is φ = 58866160.

The previous prime is 73864853. The next prime is 73864867. The reversal of 73864865 is 56846837.

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

It is a de Polignac number, because none of the positive numbers 2^k-73864865 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73864867) 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, 26771 + ... + 29400.

It is an arithmetic number, because the mean of its divisors is an integer number (11122056).

Almost surely, 2^73864865 is an apocalyptic number.

It is an amenable number.

73864865 is a deficient number, since it is larger than the sum of its proper divisors (15111583).

73864865 is a wasteful number, since it uses less digits than its factorization.

73864865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56439.

The product of its digits is 967680, while the sum is 47.

The square root of 73864865 is about 8594.4671155343. The cubic root of 73864865 is about 419.5779301115.

The spelling of 73864865 in words is "seventy-three million, eight hundred sixty-four thousand, eight hundred sixty-five".