74440148 has 12 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 37121112.

The previous prime is 74440147. The next prime is 74440153. The reversal of 74440148 is 84104447.

It is a super-7 number, since 7×74440148⁷ (a number of 56 digits) contains 7777777 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23036 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (10884720).

Almost surely, 2^74440148 is an apocalyptic number.

It is an amenable number.

74440148 is a deficient number, since it is larger than the sum of its proper divisors (56176492).

74440148 is a wasteful number, since it uses less digits than its factorization.

74440148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49486 (or 49484 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 74440148 is about 8627.8704209092. The cubic root of 74440148 is about 420.6643831001.

The spelling of 74440148 in words is "seventy-four million, four hundred forty thousand, one hundred forty-eight".