674040477 has 16 divisors (see below), whose sum is σ = 980992512. Its totient is φ = 408271920.

The previous prime is 674040473. The next prime is 674040491. The reversal of 674040477 is 774040476.

It is not a de Polignac number, because 674040477 - 2² = 674040473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674040473) 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 15 ways as a sum of consecutive naturals, for example, 63978 + ... + 73764.

It is an arithmetic number, because the mean of its divisors is an integer number (61312032).

Almost surely, 2^674040477 is an apocalyptic number.

It is an amenable number.

674040477 is a deficient number, since it is larger than the sum of its proper divisors (306952035).

674040477 is a wasteful number, since it uses less digits than its factorization.

674040477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 674040477 is about 25962.2895176831. The cubic root of 674040477 is about 876.7894706855.

Subtracting 674040477 from its reverse (774040476), we obtain a palindrome (99999999).

The spelling of 674040477 in words is "six hundred seventy-four million, forty thousand, four hundred seventy-seven".