74036695680 has 192 divisors, whose sum is σ = 265127335200. Its totient is φ = 19743077376.

The previous prime is 74036695657. The next prime is 74036695721. The reversal of 74036695680 is 8659663047.

74036695680 is a `hidden beast` number, since 7 + 40 + 36 + 6 + 9 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82510 + ... + 393549.

Almost surely, 2^74036695680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74036695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132563667600).

74036695680 is an abundant number, since it is smaller than the sum of its proper divisors (191090639520).

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

74036695680 is an equidigital number, since it uses as much as digits as its factorization.

74036695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476093 (or 476069 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 74036695680 in words is "seventy-four billion, thirty-six million, six hundred ninety-five thousand, six hundred eighty".