71249701 has 8 divisors (see below), whose sum is σ = 72156224. Its totient is φ = 70346880.

The previous prime is 71249683. The next prime is 71249713. The reversal of 71249701 is 10794217.

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 71249701 - 2¹¹ = 71247653 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 (71249741) 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, 66496 + ... + 67558.

It is an arithmetic number, because the mean of its divisors is an integer number (9019528).

Almost surely, 2^71249701 is an apocalyptic number.

It is an amenable number.

71249701 is a deficient number, since it is larger than the sum of its proper divisors (906523).

71249701 is a wasteful number, since it uses less digits than its factorization.

71249701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 71249701 is about 8440.9537968170. The cubic root of 71249701 is about 414.5666371824.

The spelling of 71249701 in words is "seventy-one million, two hundred forty-nine thousand, seven hundred one".