74810740 has 12 divisors (see below), whose sum is σ = 157102596. Its totient is φ = 29924288.

The previous prime is 74810737. The next prime is 74810741. The reversal of 74810740 is 4701847.

74810740 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 27311076 = 6892^2 + 5226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74810741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870249 + ... + 1870288.

It is an arithmetic number, because the mean of its divisors is an integer number (13091883).

Almost surely, 2^74810740 is an apocalyptic number.

It is an amenable number.

74810740 is an abundant number, since it is smaller than the sum of its proper divisors (82291856).

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

74810740 is a wasteful number, since it uses less digits than its factorization.

74810740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740546 (or 3740544 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74810740 is about 8649.3202045016. The cubic root of 74810740 is about 421.3613048135.

The spelling of 74810740 in words is "seventy-four million, eight hundred ten thousand, seven hundred forty".