71752970 has 16 divisors (see below), whose sum is σ = 129835008. Its totient is φ = 28550160.

The previous prime is 71752951. The next prime is 71752981. The reversal of 71752970 is 7925717.

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, 16874 + ... + 20693.

It is an arithmetic number, because the mean of its divisors is an integer number (8114688).

Almost surely, 2^71752970 is an apocalyptic number.

71752970 is a deficient number, since it is larger than the sum of its proper divisors (58082038).

71752970 is a wasteful number, since it uses less digits than its factorization.

71752970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37765.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 71752970 is about 8470.7124847913. The cubic root of 71752970 is about 415.5404387863.

The spelling of 71752970 in words is "seventy-one million, seven hundred fifty-two thousand, nine hundred seventy".