73048813 has 4 divisors (see below), whose sum is σ = 77345820. Its totient is φ = 68751808.

The previous prime is 73048799. The next prime is 73048823. The reversal of 73048813 is 31884037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49603849 + 23444964 = 7043^2 + 4842^2 .

It is not a de Polignac number, because 73048813 - 2⁹ = 73048301 is a prime.

It is a super-2 number, since 2×73048813² = 10672258161417938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73048823) 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, 2148478 + ... + 2148511.

It is an arithmetic number, because the mean of its divisors is an integer number (19336455).

Almost surely, 2^73048813 is an apocalyptic number.

It is an amenable number.

73048813 is a deficient number, since it is larger than the sum of its proper divisors (4297007).

73048813 is a wasteful number, since it uses less digits than its factorization.

73048813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297006.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 73048813 is about 8546.8598327105. The cubic root of 73048813 is about 418.0270523459.

The spelling of 73048813 in words is "seventy-three million, forty-eight thousand, eight hundred thirteen".