74140744 has 8 divisors (see below), whose sum is σ = 139013910. Its totient is φ = 37070368.

The previous prime is 74140727. The next prime is 74140783. The reversal of 74140744 is 44704147.

It can be written as a sum of positive squares in only one way, i.e., 39212644 + 34928100 = 6262^2 + 5910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4633789 + ... + 4633804.

Almost surely, 2^74140744 is an apocalyptic number.

It is an amenable number.

74140744 is a deficient number, since it is larger than the sum of its proper divisors (64873166).

74140744 is a wasteful number, since it uses less digits than its factorization.

74140744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267599 (or 9267595 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 74140744 is about 8610.5019598163. The cubic root of 74140744 is about 420.0996437805.

The spelling of 74140744 in words is "seventy-four million, one hundred forty thousand, seven hundred forty-four".