71074842 has 32 divisors (see below), whose sum is σ = 144156672. Its totient is φ = 23360064.

The previous prime is 71074837. The next prime is 71074859. The reversal of 71074842 is 24847017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185383 + ... + 185765.

It is an arithmetic number, because the mean of its divisors is an integer number (4504896).

Almost surely, 2^71074842 is an apocalyptic number.

71074842 is an abundant number, since it is smaller than the sum of its proper divisors (73081830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71074842 is a wasteful number, since it uses less digits than its factorization.

71074842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 71074842 is about 8430.5896590927. The cubic root of 71074842 is about 414.2272201317.

The spelling of 71074842 in words is "seventy-one million, seventy-four thousand, eight hundred forty-two".