74356809078 has 8 divisors (see below), whose sum is σ = 148713618168. Its totient is φ = 24785603024.

The previous prime is 74356809077. The next prime is 74356809091. The reversal of 74356809078 is 87090865347.

It is a sphenic number, since it is the product of 3 distinct primes.

74356809078 is an admirable number.

It is a super-3 number, since 3×74356809078³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74356809077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196400751 + ... + 6196400762.

It is an arithmetic number, because the mean of its divisors is an integer number (18589202271).

Almost surely, 2^74356809078 is an apocalyptic number.

74356809078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74356809078 is a wasteful number, since it uses less digits than its factorization.

74356809078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392801518.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 74356809078 in words is "seventy-four billion, three hundred fifty-six million, eight hundred nine thousand, seventy-eight".