74507216797 has 32 divisors (see below), whose sum is σ = 85972723200. Its totient is φ = 63992472768.

The previous prime is 74507216747. The next prime is 74507216801. The reversal of 74507216797 is 79761270547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74507216797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74507216717) 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, 24291658 + ... + 24294724.

It is an arithmetic number, because the mean of its divisors is an integer number (2686647600).

Almost surely, 2^74507216797 is an apocalyptic number.

It is an amenable number.

74507216797 is a deficient number, since it is larger than the sum of its proper divisors (11465506403).

74507216797 is a wasteful number, since it uses less digits than its factorization.

74507216797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825.

The product of its (nonzero) digits is 5186160, while the sum is 55.

The spelling of 74507216797 in words is "seventy-four billion, five hundred seven million, two hundred sixteen thousand, seven hundred ninety-seven".