71429357 has 4 divisors (see below), whose sum is σ = 71683836. Its totient is φ = 71174880.

The previous prime is 71429333. The next prime is 71429377. The reversal of 71429357 is 75392417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15792676 + 55636681 = 3974^2 + 7459^2 .

It is a cyclic number.

It is not a de Polignac number, because 71429357 - 2⁸ = 71429101 is a prime.

It is a super-3 number, since 3×71429357³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71429357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71429317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126818 + ... + 127379.

It is an arithmetic number, because the mean of its divisors is an integer number (17920959).

Almost surely, 2^71429357 is an apocalyptic number.

It is an amenable number.

71429357 is a deficient number, since it is larger than the sum of its proper divisors (254479).

71429357 is a wasteful number, since it uses less digits than its factorization.

71429357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254478.

The product of its digits is 52920, while the sum is 38.

The square root of 71429357 is about 8451.5890221899. The cubic root of 71429357 is about 414.9147877496.

The spelling of 71429357 in words is "seventy-one million, four hundred twenty-nine thousand, three hundred fifty-seven".