74132616601 has 4 divisors (see below), whose sum is σ = 78493358772. Its totient is φ = 69771874432.

The previous prime is 74132616583. The next prime is 74132616671. The reversal of 74132616601 is 10661623147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10661623147 = 7 ⋅1523089021.

It can be written as a sum of positive squares in 2 ways, for example, as 35116886025 + 39015730576 = 187395^2 + 197524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74132616601 is a prime.

It is a super-2 number, since 2×74132616601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74132616671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180371060 + ... + 2180371093.

It is an arithmetic number, because the mean of its divisors is an integer number (19623339693).

Almost surely, 2^74132616601 is an apocalyptic number.

It is an amenable number.

74132616601 is a deficient number, since it is larger than the sum of its proper divisors (4360742171).

74132616601 is a wasteful number, since it uses less digits than its factorization.

74132616601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360742170.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 74132616601 in words is "seventy-four billion, one hundred thirty-two million, six hundred sixteen thousand, six hundred one".