774148 has 12 divisors (see below), whose sum is σ = 1368640. Its totient is φ = 383112.

The previous prime is 774143. The next prime is 774149. The reversal of 774148 is 841477.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (774143) by changing a digit.

774148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528 + ... + 1351.

2⁷⁷⁴¹⁴⁸ is an apocalyptic number.

It is an amenable number.

774148 is a deficient number, since it is larger than the sum of its proper divisors (594492).

774148 is a wasteful number, since it uses less digits than its factorization.

774148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1984 counting only the distinct ones).

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

The square root of 774148 is about 879.8568065316. The cubic root of 774148 is about 91.8208549186.

It can be divided in two parts, 77 and 4148, that added together give a square (4225 = 65²).

The spelling of 774148 in words is "seven hundred seventy-four thousand, one hundred forty-eight".