71046660 has 48 divisors (see below), whose sum is σ = 204313536. Its totient is φ = 18433152.

The previous prime is 71046631. The next prime is 71046667. The reversal of 71046660 is 6664017.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (71046667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13782 + ... + 18221.

It is an arithmetic number, because the mean of its divisors is an integer number (4256532).

Almost surely, 2^71046660 is an apocalyptic number.

It is an amenable number.

71046660 is an abundant number, since it is smaller than the sum of its proper divisors (133266876).

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

71046660 is a wasteful number, since it uses less digits than its factorization.

71046660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32052 (or 32050 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 71046660 is about 8428.9180800385. The cubic root of 71046660 is about 414.1724642600.

The spelling of 71046660 in words is "seventy-one million, forty-six thousand, six hundred sixty".