71457302 has 16 divisors (see below), whose sum is σ = 123144192. Its totient is φ = 30463080.

The previous prime is 71457293. The next prime is 71457349. The reversal of 71457302 is 20375417.

It is a super-2 number, since 2×71457302² = 10212292018238408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10688 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (7696512).

Almost surely, 2^71457302 is an apocalyptic number.

71457302 is a deficient number, since it is larger than the sum of its proper divisors (51686890).

71457302 is a wasteful number, since it uses less digits than its factorization.

71457302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26923.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71457302 is about 8453.2420999283. The cubic root of 71457302 is about 414.9688891373.

The spelling of 71457302 in words is "seventy-one million, four hundred fifty-seven thousand, three hundred two".