671120201742 has 32 divisors (see below), whose sum is σ = 1434993760512. Its totient is φ = 208503360384.

The previous prime is 671120201737. The next prime is 671120201771. The reversal of 671120201742 is 247102021176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31929348 + ... + 31950359.

It is an arithmetic number, because the mean of its divisors is an integer number (44843555016).

Almost surely, 2^671120201742 is an apocalyptic number.

671120201742 is an abundant number, since it is smaller than the sum of its proper divisors (763873558770).

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

671120201742 is a wasteful number, since it uses less digits than its factorization.

671120201742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63879832.

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 671120201742 in words is "six hundred seventy-one billion, one hundred twenty million, two hundred one thousand, seven hundred forty-two".