74505309628147 has 2 divisors, whose sum is σ = 74505309628148. Its totient is φ = 74505309628146.

The previous prime is 74505309628081. The next prime is 74505309628213. The reversal of 74505309628147 is 74182690350547.

It is a balanced prime because it is at equal distance from previous prime (74505309628081) and next prime (74505309628213).

It is a cyclic number.

It is not a de Polignac number, because 74505309628147 - 2⁷ = 74505309628019 is a prime.

It is not a weakly prime, because it can be changed into another prime (74505309625147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252654814073 + 37252654814074.

It is an arithmetic number, because the mean of its divisors is an integer number (37252654814074).

It is a 1-persistent number, because it is pandigital, but 2⋅74505309628147 = 149010619256294 is not.

Almost surely, 2^{74505309628147} is an apocalyptic number.

74505309628147 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505309628147 is an equidigital number, since it uses as much as digits as its factorization.

74505309628147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 74505309628147 in words is "seventy-four trillion, five hundred five billion, three hundred nine million, six hundred twenty-eight thousand, one hundred forty-seven".