74077077906 has 384 divisors, whose sum is σ = 196312596480. Its totient is φ = 20739898368.

The previous prime is 74077077889. The next prime is 74077077917. The reversal of 74077077906 is 60977077047.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 583284015 + ... + 583284141.

It is an arithmetic number, because the mean of its divisors is an integer number (511230720).

Almost surely, 2^74077077906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74077077906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98156298240).

74077077906 is an abundant number, since it is smaller than the sum of its proper divisors (122235518574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74077077906 is a wasteful number, since it uses less digits than its factorization.

74077077906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 54.

The spelling of 74077077906 in words is "seventy-four billion, seventy-seven million, seventy-seven thousand, nine hundred six".