73734101007421 has 2 divisors, whose sum is σ = 73734101007422. Its totient is φ = 73734101007420.

The previous prime is 73734101007367. The next prime is 73734101007461. The reversal of 73734101007421 is 12470010143737.

It is an a-pointer prime, because the next prime (73734101007461) can be obtained adding 73734101007421 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60385410348025 + 13348690659396 = 7770805^2 + 3653586^2 .

It is a cyclic number.

It is not a de Polignac number, because 73734101007421 - 2⁷ = 73734101007293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73734101007461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867050503710 + 36867050503711.

It is an arithmetic number, because the mean of its divisors is an integer number (36867050503711).

Almost surely, 2^{73734101007421} is an apocalyptic number.

It is an amenable number.

73734101007421 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734101007421 is an equidigital number, since it uses as much as digits as its factorization.

73734101007421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 73734101007421 in words is "seventy-three trillion, seven hundred thirty-four billion, one hundred one million, seven thousand, four hundred twenty-one".