46671640 has 32 divisors (see below), whose sum is σ = 105280560. Its totient is φ = 18620800.

The previous prime is 46671629. The next prime is 46671671. The reversal of 46671640 is 4617664.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 46671596 and 46671605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17175 + ... + 19705.

Almost surely, 2^46671640 is an apocalyptic number.

46671640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46671640 is an abundant number, since it is smaller than the sum of its proper divisors (58608920).

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

46671640 is a wasteful number, since it uses less digits than its factorization.

46671640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003 (or 2999 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 46671640 is about 6831.6645116692. The cubic root of 46671640 is about 360.0402218434.

The spelling of 46671640 in words is "forty-six million, six hundred seventy-one thousand, six hundred forty".