71845028 has 12 divisors (see below), whose sum is σ = 125822592. Its totient is φ = 35895720.

The previous prime is 71845027. The next prime is 71845057. The reversal of 71845028 is 82054817.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71845027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (10485216).

Almost surely, 2^71845028 is an apocalyptic number.

It is an amenable number.

71845028 is a deficient number, since it is larger than the sum of its proper divisors (53977564).

71845028 is a wasteful number, since it uses less digits than its factorization.

71845028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13402 (or 13400 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 71845028 is about 8476.1446424657. The cubic root of 71845028 is about 415.7180735874.

The spelling of 71845028 in words is "seventy-one million, eight hundred forty-five thousand, twenty-eight".