73847533 has 2 divisors, whose sum is σ = 73847534. Its totient is φ = 73847532.

The previous prime is 73847491. The next prime is 73847537. The reversal of 73847533 is 33574837.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68525284 + 5322249 = 8278^2 + 2307^2 .

It is a cyclic number.

It is not a de Polignac number, because 73847533 - 2²⁵ = 40293101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73847537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36923766 + 36923767.

It is an arithmetic number, because the mean of its divisors is an integer number (36923767).

Almost surely, 2^73847533 is an apocalyptic number.

It is an amenable number.

73847533 is a deficient number, since it is larger than the sum of its proper divisors (1).

73847533 is an equidigital number, since it uses as much as digits as its factorization.

73847533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 73847533 is about 8593.4587332459. The cubic root of 73847533 is about 419.5451102968.

The spelling of 73847533 in words is "seventy-three million, eight hundred forty-seven thousand, five hundred thirty-three".