71204900 has 36 divisors (see below), whose sum is σ = 166403412. Its totient is φ = 26290560.

The previous prime is 71204893. The next prime is 71204911. The reversal of 71204900 is 940217.

It can be written as a sum of positive squares in 6 ways, for example, as 106276 + 71098624 = 326^2 + 8432^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26087 + ... + 28686.

It is an arithmetic number, because the mean of its divisors is an integer number (4622317).

Almost surely, 2^71204900 is an apocalyptic number.

It is an amenable number.

71204900 is an abundant number, since it is smaller than the sum of its proper divisors (95198512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71204900 is a wasteful number, since it uses less digits than its factorization.

71204900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54800 (or 54793 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71204900 is about 8438.2995917424. The cubic root of 71204900 is about 414.4797273716.

The spelling of 71204900 in words is "seventy-one million, two hundred four thousand, nine hundred".