71841604 has 12 divisors (see below), whose sum is σ = 131189184. Its totient is φ = 34358984.

The previous prime is 71841599. The next prime is 71841607. The reversal of 71841604 is 40614817.

It is a super-2 number, since 2×71841604² = 10322432130585632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71841607) 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, 390352 + ... + 390535.

It is an arithmetic number, because the mean of its divisors is an integer number (10932432).

Almost surely, 2^71841604 is an apocalyptic number.

It is an amenable number.

71841604 is a deficient number, since it is larger than the sum of its proper divisors (59347580).

71841604 is a wasteful number, since it uses less digits than its factorization.

71841604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780914 (or 780912 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 71841604 is about 8475.9426614389. The cubic root of 71841604 is about 415.7114693666.

The spelling of 71841604 in words is "seventy-one million, eight hundred forty-one thousand, six hundred four".