74148148 has 12 divisors (see below), whose sum is σ = 133266532. Its totient is φ = 36072000.

The previous prime is 74148103. The next prime is 74148149. The reversal of 74148148 is 84184147.

It can be written as a sum of positive squares in 2 ways, for example, as 25120144 + 49028004 = 5012^2 + 7002^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74148149) 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, 250353 + ... + 250648.

Almost surely, 2^74148148 is an apocalyptic number.

It is an amenable number.

74148148 is a deficient number, since it is larger than the sum of its proper divisors (59118384).

74148148 is a wasteful number, since it uses less digits than its factorization.

74148148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501042 (or 501040 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 74148148 is about 8610.9318891744. The cubic root of 74148148 is about 420.1136276084.

The spelling of 74148148 in words is "seventy-four million, one hundred forty-eight thousand, one hundred forty-eight".