73240413 has 4 divisors (see below), whose sum is σ = 97653888. Its totient is φ = 48826940.

The previous prime is 73240411. The next prime is 73240423. The reversal of 73240413 is 31404237.

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.

It is a cyclic number.

It is not a de Polignac number, because 73240413 - 2¹ = 73240411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73240411) 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, 12206733 + ... + 12206738.

It is an arithmetic number, because the mean of its divisors is an integer number (24413472).

Almost surely, 2^73240413 is an apocalyptic number.

It is an amenable number.

73240413 is a deficient number, since it is larger than the sum of its proper divisors (24413475).

73240413 is a wasteful number, since it uses less digits than its factorization.

73240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24413474.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 73240413 is about 8558.0612874646. The cubic root of 73240413 is about 418.3922148336.

The spelling of 73240413 in words is "seventy-three million, two hundred forty thousand, four hundred thirteen".