73365261 has 16 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 47052848.

The previous prime is 73365209. The next prime is 73365263. The reversal of 73365261 is 16256337.

It is a cyclic number.

It is not a de Polignac number, because 73365261 - 2⁹ = 73364749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73365263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^73365261 is an apocalyptic number.

It is an amenable number.

73365261 is a deficient number, since it is larger than the sum of its proper divisors (28241139).

73365261 is a wasteful number, since it uses less digits than its factorization.

73365261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its digits is 22680, while the sum is 33.

The square root of 73365261 is about 8565.3523570254. The cubic root of 73365261 is about 418.6298148890.

The spelling of 73365261 in words is "seventy-three million, three hundred sixty-five thousand, two hundred sixty-one".