71450756 has 12 divisors (see below), whose sum is σ = 134657292. Its totient is φ = 32977248.

The previous prime is 71450689. The next prime is 71450759. The reversal of 71450756 is 65705417.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 63520900 = 2816^2 + 7970^2 .

It is not an unprimeable number, because it can be changed into a prime (71450759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686975 + ... + 687078.

It is an arithmetic number, because the mean of its divisors is an integer number (11221441).

Almost surely, 2^71450756 is an apocalyptic number.

It is an amenable number.

71450756 is a deficient number, since it is larger than the sum of its proper divisors (63206536).

71450756 is a wasteful number, since it uses less digits than its factorization.

71450756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374070 (or 1374068 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 71450756 is about 8452.8549023392. The cubic root of 71450756 is about 414.9562173775.

The spelling of 71450756 in words is "seventy-one million, four hundred fifty thousand, seven hundred fifty-six".