71155004 has 6 divisors (see below), whose sum is σ = 124521264. Its totient is φ = 35577500.

The previous prime is 71154989. The next prime is 71155027. The reversal of 71155004 is 40055117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8894372 + ... + 8894379.

It is an arithmetic number, because the mean of its divisors is an integer number (20753544).

Almost surely, 2^71155004 is an apocalyptic number.

It is an amenable number.

71155004 is a deficient number, since it is larger than the sum of its proper divisors (53366260).

71155004 is a wasteful number, since it uses less digits than its factorization.

71155004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788755 (or 17788753 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 71155004 is about 8435.3425538030. The cubic root of 71155004 is about 414.3828908104.

The spelling of 71155004 in words is "seventy-one million, one hundred fifty-five thousand, four".