74678969402352 has 300 divisors, whose sum is σ = 256648217097480. Its totient is φ = 20213854601472.

The previous prime is 74678969402327. The next prime is 74678969402353. The reversal of 74678969402352 is 25320496987647.

74678969402352 is a `hidden beast` number, since 7 + 46 + 78 + 9 + 69 + 402 + 3 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74678969402353) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 885058 + ... + 12253214.

Almost surely, 2^{74678969402352} is an apocalyptic number.

74678969402352 is a gapful number since it is divisible by the number (72) 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 74678969402352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128324108548740).

74678969402352 is an abundant number, since it is smaller than the sum of its proper divisors (181969247695128).

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

74678969402352 is a wasteful number, since it uses less digits than its factorization.

74678969402352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368218 (or 11368188 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 72.

The spelling of 74678969402352 in words is "seventy-four trillion, six hundred seventy-eight billion, nine hundred sixty-nine million, four hundred two thousand, three hundred fifty-two".