73708261 has 8 divisors (see below), whose sum is σ = 83905344. Its totient is φ = 64093920.

The previous prime is 73708253. The next prime is 73708273. The reversal of 73708261 is 16280737.

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

It is not a de Polignac number, because 73708261 - 2³ = 73708253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73708561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145416 + ... + 145921.

It is an arithmetic number, because the mean of its divisors is an integer number (10488168).

Almost surely, 2^73708261 is an apocalyptic number.

It is an amenable number.

73708261 is a deficient number, since it is larger than the sum of its proper divisors (10197083).

73708261 is a wasteful number, since it uses less digits than its factorization.

73708261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291371.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 73708261 is about 8585.3515361923. The cubic root of 73708261 is about 419.2811987160.

Adding to 73708261 its reverse (16280737), we get a palindrome (89988998).

The spelling of 73708261 in words is "seventy-three million, seven hundred eight thousand, two hundred sixty-one".