71679541 has 8 divisors (see below), whose sum is σ = 72900864. Its totient is φ = 70464240.

The previous prime is 71679539. The next prime is 71679557. The reversal of 71679541 is 14597617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71679541 - 2¹ = 71679539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71679494 and 71679503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26916 + ... + 29458.

It is an arithmetic number, because the mean of its divisors is an integer number (9112608).

Almost surely, 2^71679541 is an apocalyptic number.

71679541 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

71679541 is a deficient number, since it is larger than the sum of its proper divisors (1221323).

71679541 is a wasteful number, since it uses less digits than its factorization.

71679541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its digits is 52920, while the sum is 40.

The square root of 71679541 is about 8466.3770882237. The cubic root of 71679541 is about 415.3986414815.

The spelling of 71679541 in words is "seventy-one million, six hundred seventy-nine thousand, five hundred forty-one".