74693900065 has 32 divisors (see below), whose sum is σ = 92306368800. Its totient is φ = 58002432000.

The previous prime is 74693900063. The next prime is 74693900089. The reversal of 74693900065 is 56000939647.

It can be written as a sum of positive squares in 16 ways, for example, as 55116013824 + 19577886241 = 234768^2 + 139921^2 .

It is not a de Polignac number, because 74693900065 - 2¹ = 74693900063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74693899991 and 74693900018.

It is not an unprimeable number, because it can be changed into a prime (74693900063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9761361 + ... + 9769009.

It is an arithmetic number, because the mean of its divisors is an integer number (2884574025).

Almost surely, 2^74693900065 is an apocalyptic number.

It is an amenable number.

74693900065 is a deficient number, since it is larger than the sum of its proper divisors (17612468735).

74693900065 is a wasteful number, since it uses less digits than its factorization.

74693900065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 74693900065 in words is "seventy-four billion, six hundred ninety-three million, nine hundred thousand, sixty-five".