73481747 has 2 divisors, whose sum is σ = 73481748. Its totient is φ = 73481746.

The previous prime is 73481627. The next prime is 73481767. The reversal of 73481747 is 74718437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73481747 - 2¹⁰ = 73480723 is a prime.

It is not a weakly prime, because it can be changed into another prime (73481767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36740873 + 36740874.

It is an arithmetic number, because the mean of its divisors is an integer number (36740874).

Almost surely, 2^73481747 is an apocalyptic number.

73481747 is a deficient number, since it is larger than the sum of its proper divisors (1).

73481747 is an equidigital number, since it uses as much as digits as its factorization.

73481747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 41.

The square root of 73481747 is about 8572.1494970631. The cubic root of 73481747 is about 418.8512581444.

The spelling of 73481747 in words is "seventy-three million, four hundred eighty-one thousand, seven hundred forty-seven".