71267628 has 18 divisors (see below), whose sum is σ = 166359396. Its totient is φ = 23746128.

The previous prime is 71267561. The next prime is 71267629. The reversal of 71267628 is 82676217.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (71267629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28026 + ... + 30462.

Almost surely, 2^71267628 is an apocalyptic number.

It is an amenable number.

71267628 is an abundant number, since it is smaller than the sum of its proper divisors (95091768).

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

71267628 is an equidigital number, since it uses as much as digits as its factorization.

71267628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881 (or 2442 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 71267628 is about 8442.0156360907. The cubic root of 71267628 is about 414.6014037044.

The spelling of 71267628 in words is "seventy-one million, two hundred sixty-seven thousand, six hundred twenty-eight".