73456865 has 8 divisors (see below), whose sum is σ = 88260288. Its totient is φ = 58690800.

The previous prime is 73456853. The next prime is 73456879. The reversal of 73456865 is 56865437.

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

It is not a de Polignac number, because 73456865 - 2¹⁸ = 73194721 is a prime.

It is a super-2 number, since 2×73456865² = 10791822031256450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (11032536).

Almost surely, 2^73456865 is an apocalyptic number.

It is an amenable number.

73456865 is a deficient number, since it is larger than the sum of its proper divisors (14803423).

73456865 is a wasteful number, since it uses less digits than its factorization.

73456865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18679.

The product of its digits is 604800, while the sum is 44.

The square root of 73456865 is about 8570.6980462504. The cubic root of 73456865 is about 418.8039764090.

The spelling of 73456865 in words is "seventy-three million, four hundred fifty-six thousand, eight hundred sixty-five".