70671992 has 16 divisors (see below), whose sum is σ = 140304960. Its totient is φ = 33257344.

The previous prime is 70671983. The next prime is 70672027. The reversal of 70671992 is 29917607.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259688 + ... + 259959.

It is an arithmetic number, because the mean of its divisors is an integer number (8769060).

Almost surely, 2^70671992 is an apocalyptic number.

It is an amenable number.

70671992 is a deficient number, since it is larger than the sum of its proper divisors (69632968).

70671992 is a wasteful number, since it uses less digits than its factorization.

70671992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519670 (or 519666 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 70671992 is about 8406.6635474485. The cubic root of 70671992 is about 413.4431278449.

The spelling of 70671992 in words is "seventy million, six hundred seventy-one thousand, nine hundred ninety-two".