71347020 has 48 divisors (see below), whose sum is σ = 200256000. Its totient is φ = 18979776.

The previous prime is 71347013. The next prime is 71347057. The reversal of 71347020 is 2074317.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28749 + ... + 31131.

It is an arithmetic number, because the mean of its divisors is an integer number (4172000).

Almost surely, 2^71347020 is an apocalyptic number.

It is an amenable number.

71347020 is an abundant number, since it is smaller than the sum of its proper divisors (128908980).

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

71347020 is a wasteful number, since it uses less digits than its factorization.

71347020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 71347020 is about 8446.7165218208. The cubic root of 71347020 is about 414.7553016256.

The spelling of 71347020 in words is "seventy-one million, three hundred forty-seven thousand, twenty".