73428467 has 4 divisors (see below), whose sum is σ = 83918256. Its totient is φ = 62938680.

The previous prime is 73428451. The next prime is 73428469. The reversal of 73428467 is 76482437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76482437 = 359 ⋅213043.

It is not a de Polignac number, because 73428467 - 2⁴ = 73428451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73428469) 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, 5244884 + ... + 5244897.

It is an arithmetic number, because the mean of its divisors is an integer number (20979564).

Almost surely, 2^73428467 is an apocalyptic number.

73428467 is a deficient number, since it is larger than the sum of its proper divisors (10489789).

73428467 is a wasteful number, since it uses less digits than its factorization.

73428467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489788.

The product of its digits is 225792, while the sum is 41.

The square root of 73428467 is about 8569.0411949062. The cubic root of 73428467 is about 418.7500003861.

The spelling of 73428467 in words is "seventy-three million, four hundred twenty-eight thousand, four hundred sixty-seven".