71052156 has 108 divisors (see below), whose sum is σ = 213621408. Its totient is φ = 19845504.

The previous prime is 71052151. The next prime is 71052161. The reversal of 71052156 is 65125017.

It is an interprime number because it is at equal distance from previous prime (71052151) and next prime (71052161).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82480 + ... + 83336.

It is an arithmetic number, because the mean of its divisors is an integer number (1977976).

Almost surely, 2^71052156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71052156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106810704).

71052156 is an abundant number, since it is smaller than the sum of its proper divisors (142569252).

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

71052156 is a wasteful number, since it uses less digits than its factorization.

71052156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 71052156 is about 8429.2440942234. The cubic root of 71052156 is about 414.1831437823.

It can be divided in two parts, 7105 and 2156, that added together give a cube (9261 = 21³).

The spelling of 71052156 in words is "seventy-one million, fifty-two thousand, one hundred fifty-six".