7447740052374 has 192 divisors, whose sum is σ = 18693091872000. Its totient is φ = 2208618897408.

The previous prime is 7447740052349. The next prime is 7447740052387. The reversal of 7447740052374 is 4732500477447.

7447740052374 is a `hidden beast` number, since 7 + 4 + 4 + 7 + 7 + 40 + 0 + 523 + 74 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7447740052374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70430289 + ... + 70535955.

It is an arithmetic number, because the mean of its divisors is an integer number (97359853500).

Almost surely, 2^{7447740052374} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7447740052374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9346545936000).

7447740052374 is an abundant number, since it is smaller than the sum of its proper divisors (11245351819626).

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

7447740052374 is a wasteful number, since it uses less digits than its factorization.

7447740052374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106169 (or 106157 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 54.

The spelling of 7447740052374 in words is "seven trillion, four hundred forty-seven billion, seven hundred forty million, fifty-two thousand, three hundred seventy-four".