671408034 has 32 divisors (see below), whose sum is σ = 1466449920. Its totient is φ = 203240400.

The previous prime is 671408033. The next prime is 671408069. The reversal of 671408034 is 430804176.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 671407986 and 671408004.

It is not an unprimeable number, because it can be changed into a prime (671408033) 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, 63679 + ... + 73469.

It is an arithmetic number, because the mean of its divisors is an integer number (45826560).

Almost surely, 2^671408034 is an apocalyptic number.

671408034 is an abundant number, since it is smaller than the sum of its proper divisors (795041886).

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

671408034 is a wasteful number, since it uses less digits than its factorization.

671408034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 671408034 is about 25911.5424859270. The cubic root of 671408034 is about 875.6465573373.

Multiplying 671408034 by its sum of digits (33), we get a palindrome (22156465122).

The spelling of 671408034 in words is "six hundred seventy-one million, four hundred eight thousand, thirty-four".