74277732354 has 64 divisors (see below), whose sum is σ = 172274909184. Its totient is φ = 20911401216.

The previous prime is 74277732343. The next prime is 74277732371. The reversal of 74277732354 is 45323777247.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74277732297 and 74277732306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1307322 + ... + 1362954.

It is an arithmetic number, because the mean of its divisors is an integer number (2691795456).

Almost surely, 2^74277732354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74277732354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86137454592).

74277732354 is an abundant number, since it is smaller than the sum of its proper divisors (97997176830).

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

74277732354 is a wasteful number, since it uses less digits than its factorization.

74277732354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56111.

The product of its digits is 6914880, while the sum is 51.

The spelling of 74277732354 in words is "seventy-four billion, two hundred seventy-seven million, seven hundred thirty-two thousand, three hundred fifty-four".