74278766214 has 96 divisors (see below), whose sum is σ = 171171000000. Its totient is φ = 23234625792.

The previous prime is 74278766183. The next prime is 74278766227. The reversal of 74278766214 is 41266787247.

74278766214 is a `hidden beast` number, since 7 + 4 + 2 + 7 + 8 + 7 + 6 + 621 + 4 = 666.

It is a super-2 number, since 2×74278766214² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27018912 + ... + 27021660.

It is an arithmetic number, because the mean of its divisors is an integer number (1783031250).

Almost surely, 2^74278766214 is an apocalyptic number.

74278766214 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74278766214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85585500000).

74278766214 is an abundant number, since it is smaller than the sum of its proper divisors (96892233786).

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

74278766214 is a wasteful number, since it uses less digits than its factorization.

74278766214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4219 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 74278766214 in words is "seventy-four billion, two hundred seventy-eight million, seven hundred sixty-six thousand, two hundred fourteen".