71679701 has 8 divisors (see below), whose sum is σ = 76051224. Its totient is φ = 67325440.

The previous prime is 71679607. The next prime is 71679703. The reversal of 71679701 is 10797617.

It can be written as a sum of positive squares in 4 ways, for example, as 10824100 + 60855601 = 3290^2 + 7801^2 .

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

It is not a de Polignac number, because 71679701 - 2¹⁸ = 71417557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679703) 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, 4811 + ... + 12903.

It is an arithmetic number, because the mean of its divisors is an integer number (9506403).

Almost surely, 2^71679701 is an apocalyptic number.

It is an amenable number.

71679701 is a deficient number, since it is larger than the sum of its proper divisors (4371523).

71679701 is a wasteful number, since it uses less digits than its factorization.

71679701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 71679701 is about 8466.3865373606. The cubic root of 71679701 is about 415.3989505596.

The spelling of 71679701 in words is "seventy-one million, six hundred seventy-nine thousand, seven hundred one".