71270743 has 8 divisors (see below), whose sum is σ = 72900000. Its totient is φ = 69652128.

The previous prime is 71270707. The next prime is 71270803. The reversal of 71270743 is 34707217.

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 71270743 - 2⁹ = 71270231 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 (71270543) 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, 11758 + ... + 16756.

It is an arithmetic number, because the mean of its divisors is an integer number (9112500).

Almost surely, 2^71270743 is an apocalyptic number.

71270743 is a deficient number, since it is larger than the sum of its proper divisors (1629257).

71270743 is a wasteful number, since it uses less digits than its factorization.

71270743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 71270743 is about 8442.2001279287. The cubic root of 71270743 is about 414.6074441494.

The spelling of 71270743 in words is "seventy-one million, two hundred seventy thousand, seven hundred forty-three".