71020476 has 60 divisors (see below), whose sum is σ = 187458040. Its totient is φ = 23444640.

The previous prime is 71020463. The next prime is 71020489. The reversal of 71020476 is 67402017.

It is an interprime number because it is at equal distance from previous prime (71020463) and next prime (71020489).

It is a super-2 number, since 2×71020476² = 10087816022533152, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34311 + ... + 36321.

Almost surely, 2^71020476 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 71020476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93729020).

71020476 is an abundant number, since it is smaller than the sum of its proper divisors (116437564).

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

71020476 is a wasteful number, since it uses less digits than its factorization.

71020476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71020476 is about 8427.3647126489. The cubic root of 71020476 is about 414.1215773999.

The spelling of 71020476 in words is "seventy-one million, twenty thousand, four hundred seventy-six".