73454613 has 4 divisors (see below), whose sum is σ = 97939488. Its totient is φ = 48969740.

The previous prime is 73454611. The next prime is 73454653. The reversal of 73454613 is 31645437.

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: 31645437 = 3 ⋅10548479.

It is a cyclic number.

It is not a de Polignac number, because 73454613 - 2¹ = 73454611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73454611) 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, 12242433 + ... + 12242438.

It is an arithmetic number, because the mean of its divisors is an integer number (24484872).

Almost surely, 2^73454613 is an apocalyptic number.

It is an amenable number.

73454613 is a deficient number, since it is larger than the sum of its proper divisors (24484875).

73454613 is a wasteful number, since it uses less digits than its factorization.

73454613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484874.

The product of its digits is 30240, while the sum is 33.

The square root of 73454613 is about 8570.5666673797. The cubic root of 73454613 is about 418.7996965449.

The spelling of 73454613 in words is "seventy-three million, four hundred fifty-four thousand, six hundred thirteen".