73137461 has 4 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 73094124.

The previous prime is 73137457. The next prime is 73137469. The reversal of 73137461 is 16473137.

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: 16473137 = 1783 ⋅9239.

It is a cyclic number.

It is not a de Polignac number, because 73137461 - 2² = 73137457 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 (73137469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19031 + ... + 22548.

It is an arithmetic number, because the mean of its divisors is an integer number (18295200).

Almost surely, 2^73137461 is an apocalyptic number.

It is an amenable number.

73137461 is a deficient number, since it is larger than the sum of its proper divisors (43339).

73137461 is a wasteful number, since it uses less digits than its factorization.

73137461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43338.

The product of its digits is 10584, while the sum is 32.

The square root of 73137461 is about 8552.0442585384. The cubic root of 73137461 is about 418.1960821608.

The spelling of 73137461 in words is "seventy-three million, one hundred thirty-seven thousand, four hundred sixty-one".