71845002 has 32 divisors (see below), whose sum is σ = 163373760. Its totient is φ = 23390640.

The previous prime is 71845001. The next prime is 71845003. The reversal of 71845002 is 20054817.

It is an interprime number because it is at equal distance from previous prime (71845001) and next prime (71845003).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71845001) 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, 13149 + ... + 17792.

It is an arithmetic number, because the mean of its divisors is an integer number (5105430).

Almost surely, 2^71845002 is an apocalyptic number.

71845002 is an abundant number, since it is smaller than the sum of its proper divisors (91528758).

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

71845002 is a wasteful number, since it uses less digits than its factorization.

71845002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30995 (or 30989 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 71845002 is about 8476.1431087494. The cubic root of 71845002 is about 415.7180234394.

Adding to 71845002 its reverse (20054817), we get a palindrome (91899819).

The spelling of 71845002 in words is "seventy-one million, eight hundred forty-five thousand, two".