73736121 has 8 divisors (see below), whose sum is σ = 99499680. Its totient is φ = 48564992.

The previous prime is 73736071. The next prime is 73736167. The reversal of 73736121 is 12163737.

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 73736121 - 2⁹ = 73735609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73736921) 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, 147816 + ... + 148313.

It is an arithmetic number, because the mean of its divisors is an integer number (12437460).

Almost surely, 2^73736121 is an apocalyptic number.

It is an amenable number.

73736121 is a deficient number, since it is larger than the sum of its proper divisors (25763559).

73736121 is a wasteful number, since it uses less digits than its factorization.

73736121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296215.

The product of its digits is 5292, while the sum is 30.

The square root of 73736121 is about 8586.9739140165. The cubic root of 73736121 is about 419.3340182264.

Adding to 73736121 its reverse (12163737), we get a palindrome (85899858).

The spelling of 73736121 in words is "seventy-three million, seven hundred thirty-six thousand, one hundred twenty-one".