74056123894 has 32 divisors (see below), whose sum is σ = 122600515680. Its totient is φ = 33401922048.

The previous prime is 74056123891. The next prime is 74056123907. The reversal of 74056123894 is 49832165047.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74056123891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355029 + ... + 523600.

It is an arithmetic number, because the mean of its divisors is an integer number (3831266115).

It is a 1-persistent number, because it is pandigital, but 2⋅74056123894 = 148112247788 is not.

Almost surely, 2^74056123894 is an apocalyptic number.

74056123894 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

74056123894 is a deficient number, since it is larger than the sum of its proper divisors (48544391786).

74056123894 is a wasteful number, since it uses less digits than its factorization.

74056123894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878752.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 74056123894 in words is "seventy-four billion, fifty-six million, one hundred twenty-three thousand, eight hundred ninety-four".