71690799 has 8 divisors (see below), whose sum is σ = 97154992. Its totient is φ = 47010240.

The previous prime is 71690797. The next prime is 71690803. The reversal of 71690799 is 99709617.

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

It is not a de Polignac number, because 71690799 - 2¹ = 71690797 is a prime.

It is a super-2 number, since 2×71690799² = 10279141322516802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71690791) 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, 195694 + ... + 196059.

It is an arithmetic number, because the mean of its divisors is an integer number (12144374).

Almost surely, 2^71690799 is an apocalyptic number.

71690799 is a deficient number, since it is larger than the sum of its proper divisors (25464193).

71690799 is a wasteful number, since it uses less digits than its factorization.

71690799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391817.

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 71690799 is about 8467.0419273794. The cubic root of 71690799 is about 415.4203878684.

The spelling of 71690799 in words is "seventy-one million, six hundred ninety thousand, seven hundred ninety-nine".