71242995 has 32 divisors (see below), whose sum is σ = 118656000. Its totient is φ = 36457344.

The previous prime is 71242993. The next prime is 71242999. The reversal of 71242995 is 59924217.

It is not a de Polignac number, because 71242995 - 2¹ = 71242993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71242993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86154 + ... + 86976.

It is an arithmetic number, because the mean of its divisors is an integer number (3708000).

Almost surely, 2^71242995 is an apocalyptic number.

71242995 is a deficient number, since it is larger than the sum of its proper divisors (47413005).

71242995 is a wasteful number, since it uses less digits than its factorization.

71242995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 45360, while the sum is 39.

The square root of 71242995 is about 8440.5565574789. The cubic root of 71242995 is about 414.5536304795.

The spelling of 71242995 in words is "seventy-one million, two hundred forty-two thousand, nine hundred ninety-five".