73068913 has 8 divisors (see below), whose sum is σ = 73953000. Its totient is φ = 72188928.

The previous prime is 73068901. The next prime is 73068943. The reversal of 73068913 is 31986037.

It can be written as a sum of positive squares in 4 ways, for example, as 34715664 + 38353249 = 5892^2 + 6193^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73068913 - 2⁵ = 73068881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73068943) 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, 48195 + ... + 49687.

It is an arithmetic number, because the mean of its divisors is an integer number (9244125).

Almost surely, 2^73068913 is an apocalyptic number.

It is an amenable number.

73068913 is a deficient number, since it is larger than the sum of its proper divisors (884087).

73068913 is a wasteful number, since it uses less digits than its factorization.

73068913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73068913 is about 8548.0356222936. The cubic root of 73068913 is about 418.0653900586.

The spelling of 73068913 in words is "seventy-three million, sixty-eight thousand, nine hundred thirteen".