73615361 has 4 divisors (see below), whose sum is σ = 74026800. Its totient is φ = 73203924.

The previous prime is 73615331. The next prime is 73615397. The reversal of 73615361 is 16351637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16351637 = 17 ⋅961861.

It is a cyclic number.

It is not a de Polignac number, because 73615361 - 2¹⁰ = 73614337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73615331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205451 + ... + 205808.

It is an arithmetic number, because the mean of its divisors is an integer number (18506700).

Almost surely, 2^73615361 is an apocalyptic number.

It is an amenable number.

73615361 is a deficient number, since it is larger than the sum of its proper divisors (411439).

73615361 is a wasteful number, since it uses less digits than its factorization.

73615361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411438.

The product of its digits is 11340, while the sum is 32.

The square root of 73615361 is about 8579.9394520008. The cubic root of 73615361 is about 419.1049742392.

Adding to 73615361 its reverse (16351637), we get a palindrome (89966998).

The spelling of 73615361 in words is "seventy-three million, six hundred fifteen thousand, three hundred sixty-one".