71424770 has 16 divisors (see below), whose sum is σ = 128737728. Its totient is φ = 28531440.

The previous prime is 71424739. The next prime is 71424797. The reversal of 71424770 is 7742417.

It is a Curzon 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, 3707 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (8046108).

Almost surely, 2^71424770 is an apocalyptic number.

71424770 is a deficient number, since it is larger than the sum of its proper divisors (57312958).

71424770 is a wasteful number, since it uses less digits than its factorization.

71424770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 71424770 is about 8451.3176487457. The cubic root of 71424770 is about 414.9059059912.

The spelling of 71424770 in words is "seventy-one million, four hundred twenty-four thousand, seven hundred seventy".