671377104 has 30 divisors (see below), whose sum is σ = 1878923826. Its totient is φ = 223792320.

The previous prime is 671377097. The next prime is 671377111. The reversal of 671377104 is 401773176.

It is an interprime number because it is at equal distance from previous prime (671377097) and next prime (671377111).

It can be written as a sum of positive squares in only one way, i.e., 479610000 + 191767104 = 21900^2 + 13848^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2331027 + ... + 2331314.

Almost surely, 2^671377104 is an apocalyptic number.

It is an amenable number.

671377104 is an abundant number, since it is smaller than the sum of its proper divisors (1207546722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671377104 is a wasteful number, since it uses less digits than its factorization.

671377104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662355 (or 4662346 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 671377104 is about 25910.9456407905. The cubic root of 671377104 is about 875.6331108872.

The spelling of 671377104 in words is "six hundred seventy-one million, three hundred seventy-seven thousand, one hundred four".