674377404668 has 48 divisors (see below), whose sum is σ = 1333883056128. Its totient is φ = 295552152000.

The previous prime is 674377404667. The next prime is 674377404671. The reversal of 674377404668 is 866404773476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 674377404668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674377404667) 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, 542555 + ... + 1281842.

It is an arithmetic number, because the mean of its divisors is an integer number (27789230336).

Almost surely, 2^674377404668 is an apocalyptic number.

It is an amenable number.

674377404668 is a deficient number, since it is larger than the sum of its proper divisors (659505651460).

674377404668 is a wasteful number, since it uses less digits than its factorization.

674377404668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824714 (or 1824712 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 62.

The spelling of 674377404668 in words is "six hundred seventy-four billion, three hundred seventy-seven million, four hundred four thousand, six hundred sixty-eight".