74782346499 has 32 divisors (see below), whose sum is σ = 128218368000. Its totient is φ = 42191839872.

The previous prime is 74782346489. The next prime is 74782346521. The reversal of 74782346499 is 99464328747.

74782346499 is a `hidden beast` number, since 7 + 4 + 7 + 82 + 3 + 464 + 99 = 666.

It is not a de Polignac number, because 74782346499 - 2²³ = 74773957891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (74782346489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2489334 + ... + 2519195.

It is an arithmetic number, because the mean of its divisors is an integer number (4006824000).

Almost surely, 2^74782346499 is an apocalyptic number.

74782346499 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

74782346499 is a deficient number, since it is larger than the sum of its proper divisors (53436021501).

74782346499 is a wasteful number, since it uses less digits than its factorization.

74782346499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008624 (or 5008618 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 74782346499 in words is "seventy-four billion, seven hundred eighty-two million, three hundred forty-six thousand, four hundred ninety-nine".