73704213547 has 2 divisors, whose sum is σ = 73704213548. Its totient is φ = 73704213546.

The previous prime is 73704213523. The next prime is 73704213551. The reversal of 73704213547 is 74531240737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73704213547 - 2¹⁹ = 73703689259 is a prime.

It is a super-2 number, since 2×73704213547² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73704213647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36852106773 + 36852106774.

It is an arithmetic number, because the mean of its divisors is an integer number (36852106774).

Almost surely, 2^73704213547 is an apocalyptic number.

73704213547 is a deficient number, since it is larger than the sum of its proper divisors (1).

73704213547 is an equidigital number, since it uses as much as digits as its factorization.

73704213547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 73704213547 in words is "seventy-three billion, seven hundred four million, two hundred thirteen thousand, five hundred forty-seven".