74802164345 has 16 divisors (see below), whose sum is σ = 93692592000. Its totient is φ = 57223250304.

The previous prime is 74802164249. The next prime is 74802164351. The reversal of 74802164345 is 54346120847.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74802164345 - 2¹⁰ = 74802163321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74802164296 and 74802164305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309437 + ... + 495333.

It is an arithmetic number, because the mean of its divisors is an integer number (5855787000).

Almost surely, 2^74802164345 is an apocalyptic number.

It is an amenable number.

74802164345 is a deficient number, since it is larger than the sum of its proper divisors (18890427655).

74802164345 is a wasteful number, since it uses less digits than its factorization.

74802164345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189424.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 74802164345 in words is "seventy-four billion, eight hundred two million, one hundred sixty-four thousand, three hundred forty-five".