74429576064601 has 2 divisors, whose sum is σ = 74429576064602. Its totient is φ = 74429576064600.

The previous prime is 74429576064593. The next prime is 74429576064607. The reversal of 74429576064601 is 10646067592447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44677994905600 + 29751581159001 = 6684160^2 + 5454501^2 .

It is a cyclic number.

It is not a de Polignac number, because 74429576064601 - 2³ = 74429576064593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74429576064601.

It is not a weakly prime, because it can be changed into another prime (74429576064607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37214788032300 + 37214788032301.

It is an arithmetic number, because the mean of its divisors is an integer number (37214788032301).

Almost surely, 2^{74429576064601} is an apocalyptic number.

It is an amenable number.

74429576064601 is a deficient number, since it is larger than the sum of its proper divisors (1).

74429576064601 is an equidigital number, since it uses as much as digits as its factorization.

74429576064601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 74429576064601 in words is "seventy-four trillion, four hundred twenty-nine billion, five hundred seventy-six million, sixty-four thousand, six hundred one".