74812248 has 80 divisors (see below), whose sum is σ = 239492880. Its totient is φ = 21373632.

The previous prime is 74812229. The next prime is 74812277. The reversal of 74812248 is 84221847.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3711 + ... + 12782.

It is an arithmetic number, because the mean of its divisors is an integer number (2993661).

Almost surely, 2^74812248 is an apocalyptic number.

It is an amenable number.

74812248 is an abundant number, since it is smaller than the sum of its proper divisors (164680632).

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

74812248 is a wasteful number, since it uses less digits than its factorization.

74812248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16518 (or 16505 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 74812248 is about 8649.4073785433. The cubic root of 74812248 is about 421.3641359960.

It can be divided in two parts, 748 and 12248, that added together give a square (12996 = 114²).

The spelling of 74812248 in words is "seventy-four million, eight hundred twelve thousand, two hundred forty-eight".