74774700000 has 1728 divisors, whose sum is σ = 361155884544. Its totient is φ = 14169600000.

The previous prime is 74774699963. The next prime is 74774700029. The reversal of 74774700000 is 747747.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 900899959 + ... + 900900041.

It is an arithmetic number, because the mean of its divisors is an integer number (209002248).

Almost surely, 2^74774700000 is an apocalyptic number.

74774700000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74774700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180577942272).

74774700000 is an abundant number, since it is smaller than the sum of its proper divisors (286381184544).

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

74774700000 is a wasteful number, since it uses less digits than its factorization.

74774700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

74774700000 divided by its reverse (747747) gives a 5-th power (100000 = 10⁵).

It can be divided in two parts, 747 and 74700000, that added together give a palindrome (74700747).

The spelling of 74774700000 in words is "seventy-four billion, seven hundred seventy-four million, seven hundred thousand".