73074493 has 8 divisors (see below), whose sum is σ = 73618776. Its totient is φ = 72532800.

The previous prime is 73074479. The next prime is 73074497. The reversal of 73074493 is 39447037.

It can be written as a sum of positive squares in 4 ways, for example, as 18344089 + 54730404 = 4283^2 + 7398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73074493 - 2²¹ = 70977341 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 (73074497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134803 + ... + 135343.

It is an arithmetic number, because the mean of its divisors is an integer number (9202347).

Almost surely, 2^73074493 is an apocalyptic number.

It is an amenable number.

73074493 is a deficient number, since it is larger than the sum of its proper divisors (544283).

73074493 is a wasteful number, since it uses less digits than its factorization.

73074493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 73074493 is about 8548.3620068408. The cubic root of 73074493 is about 418.0760318185.

The spelling of 73074493 in words is "seventy-three million, seventy-four thousand, four hundred ninety-three".