73480739 has 2 divisors, whose sum is σ = 73480740. Its totient is φ = 73480738.

The previous prime is 73480723. The next prime is 73480747. The reversal of 73480739 is 93708437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73480739 - 2⁴ = 73480723 is a prime.

It is a super-2 number, since 2×73480739² = 10798838007972242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73480696 and 73480705.

It is not a weakly prime, because it can be changed into another prime (73480769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36740369 + 36740370.

It is an arithmetic number, because the mean of its divisors is an integer number (36740370).

Almost surely, 2^73480739 is an apocalyptic number.

73480739 is a deficient number, since it is larger than the sum of its proper divisors (1).

73480739 is an equidigital number, since it uses as much as digits as its factorization.

73480739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 73480739 is about 8572.0907018066. The cubic root of 73480739 is about 418.8493429114.

The spelling of 73480739 in words is "seventy-three million, four hundred eighty thousand, seven hundred thirty-nine".