74776674 has 64 divisors (see below), whose sum is σ = 179447040. Its totient is φ = 20345472.

The previous prime is 74776673. The next prime is 74776687. The reversal of 74776674 is 47667747.

It is not an unprimeable number, because it can be changed into a prime (74776673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024302 + ... + 1024374.

It is an arithmetic number, because the mean of its divisors is an integer number (2803860).

Almost surely, 2^74776674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74776674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89723520).

74776674 is an abundant number, since it is smaller than the sum of its proper divisors (104670366).

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

74776674 is an equidigital number, since it uses as much as digits as its factorization.

74776674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 114 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 48.

The square root of 74776674 is about 8647.3506925532. The cubic root of 74776674 is about 421.2973377345.

It can be divided in two parts, 747 and 76674, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 74776674 in words is "seventy-four million, seven hundred seventy-six thousand, six hundred seventy-four".