71679683 has 4 divisors (see below), whose sum is σ = 72689328. Its totient is φ = 70670040.

The previous prime is 71679607. The next prime is 71679703. The reversal of 71679683 is 38697617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38697617 = 7 ⋅5528231.

It is a cyclic number.

It is not a de Polignac number, because 71679683 - 2²⁴ = 54902467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71679383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504716 + ... + 504857.

It is an arithmetic number, because the mean of its divisors is an integer number (18172332).

Almost surely, 2^71679683 is an apocalyptic number.

71679683 is a deficient number, since it is larger than the sum of its proper divisors (1009645).

71679683 is a wasteful number, since it uses less digits than its factorization.

71679683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009644.

The product of its digits is 381024, while the sum is 47.

The square root of 71679683 is about 8466.3854743332. The cubic root of 71679683 is about 415.3989157883.

The spelling of 71679683 in words is "seventy-one million, six hundred seventy-nine thousand, six hundred eighty-three".