71956148 has 24 divisors (see below), whose sum is σ = 140724864. Its totient is φ = 31908800.

The previous prime is 71956141. The next prime is 71956153. The reversal of 71956148 is 84165917.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71956141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18140 + ... + 21747.

It is an arithmetic number, because the mean of its divisors is an integer number (5863536).

Almost surely, 2^71956148 is an apocalyptic number.

It is an amenable number.

71956148 is a deficient number, since it is larger than the sum of its proper divisors (68768716).

71956148 is a wasteful number, since it uses less digits than its factorization.

71956148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39943 (or 39941 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 71956148 is about 8482.6969767875. The cubic root of 71956148 is about 415.9322883506.

The spelling of 71956148 in words is "seventy-one million, nine hundred fifty-six thousand, one hundred forty-eight".