71242514 has 16 divisors (see below), whose sum is σ = 128558400. Its totient is φ = 28925424.

The previous prime is 71242511. The next prime is 71242517. The reversal of 71242514 is 41524217.

It is an interprime number because it is at equal distance from previous prime (71242511) and next prime (71242517).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71242511) 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, 133649 + ... + 134180.

It is an arithmetic number, because the mean of its divisors is an integer number (8034900).

Almost surely, 2^71242514 is an apocalyptic number.

71242514 is a deficient number, since it is larger than the sum of its proper divisors (57315886).

71242514 is a wasteful number, since it uses less digits than its factorization.

71242514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267857.

The product of its digits is 2240, while the sum is 26.

The square root of 71242514 is about 8440.5280640491. The cubic root of 71242514 is about 414.5526975188.

The spelling of 71242514 in words is "seventy-one million, two hundred forty-two thousand, five hundred fourteen".