674651481 has 16 divisors (see below), whose sum is σ = 1061203968. Its totient is φ = 373078800.

The previous prime is 674651459. The next prime is 674651501. The reversal of 674651481 is 184156476.

674651481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674651481 - 2¹¹ = 674649433 is a prime.

It is a super-2 number, since 2×674651481² = 910309241630986722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674651281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517515 + ... + 518816.

It is an arithmetic number, because the mean of its divisors is an integer number (66325248).

Almost surely, 2^674651481 is an apocalyptic number.

It is an amenable number.

674651481 is a deficient number, since it is larger than the sum of its proper divisors (386552487).

674651481 is a wasteful number, since it uses less digits than its factorization.

674651481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036372.

The product of its digits is 161280, while the sum is 42.

The square root of 674651481 is about 25974.0539962479. The cubic root of 674651481 is about 877.0543212891.

The spelling of 674651481 in words is "six hundred seventy-four million, six hundred fifty-one thousand, four hundred eighty-one".