71632450 has 12 divisors (see below), whose sum is σ = 133236450. Its totient is φ = 28652960.

The previous prime is 71632433. The next prime is 71632487. The reversal of 71632450 is 5423617.

It can be written as a sum of positive squares in 3 ways, for example, as 68840209 + 2792241 = 8297^2 + 1671^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716275 + ... + 716374.

Almost surely, 2^71632450 is an apocalyptic number.

71632450 is a deficient number, since it is larger than the sum of its proper divisors (61604000).

71632450 is a wasteful number, since it uses less digits than its factorization.

71632450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432661 (or 1432656 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71632450 is about 8463.5955716232. The cubic root of 71632450 is about 415.3076539999.

The spelling of 71632450 in words is "seventy-one million, six hundred thirty-two thousand, four hundred fifty".