74248736 has 24 divisors (see below), whose sum is σ = 147630924. Its totient is φ = 36755200.

The previous prime is 74248717. The next prime is 74248781. The reversal of 74248736 is 63784247.

It can be written as a sum of positive squares in 2 ways, for example, as 66520336 + 7728400 = 8156^2 + 2780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74248693 and 74248702.

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 in 3 ways as a sum of consecutive naturals, for example, 8255 + ... + 14718.

Almost surely, 2^74248736 is an apocalyptic number.

It is an amenable number.

74248736 is a deficient number, since it is larger than the sum of its proper divisors (73382188).

74248736 is a wasteful number, since it uses less digits than its factorization.

74248736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23084 (or 23076 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74248736 is about 8616.7706247759. The cubic root of 74248736 is about 420.3035145493.

The spelling of 74248736 in words is "seventy-four million, two hundred forty-eight thousand, seven hundred thirty-six".