71211950 has 24 divisors (see below), whose sum is σ = 132694632. Its totient is φ = 28433120.

The previous prime is 71211941. The next prime is 71211967. The reversal of 71211950 is 5911217.

It is a super-2 number, since 2×71211950² = 10142283645605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38957 + ... + 40743.

It is an arithmetic number, because the mean of its divisors is an integer number (5528943).

Almost surely, 2^71211950 is an apocalyptic number.

71211950 is a deficient number, since it is larger than the sum of its proper divisors (61482682).

71211950 is a wasteful number, since it uses less digits than its factorization.

71211950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 71211950 is about 8438.7173195931. The cubic root of 71211950 is about 414.4934061383.

The spelling of 71211950 in words is "seventy-one million, two hundred eleven thousand, nine hundred fifty".