671474742 has 32 divisors (see below), whose sum is σ = 1439223552. Its totient is φ = 208305504.

The previous prime is 671474717. The next prime is 671474767. The reversal of 671474742 is 247474176.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (671474717) and next prime (671474767).

It is a junction number, because it is equal to n+sod(n) for n = 671474694 and 671474703.

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, 60648 + ... + 70859.

It is an arithmetic number, because the mean of its divisors is an integer number (44975736).

Almost surely, 2^671474742 is an apocalyptic number.

671474742 is an abundant number, since it is smaller than the sum of its proper divisors (767748810).

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

671474742 is a wasteful number, since it uses less digits than its factorization.

671474742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131572.

The product of its digits is 263424, while the sum is 42.

The square root of 671474742 is about 25912.8296795236. The cubic root of 671474742 is about 875.6755564423.

The spelling of 671474742 in words is "six hundred seventy-one million, four hundred seventy-four thousand, seven hundred forty-two".