71634036 has 24 divisors (see below), whose sum is σ = 167852160. Its totient is φ = 23777152.

The previous prime is 71634023. The next prime is 71634041. The reversal of 71634036 is 63043617.

It is a super-2 number, since 2×71634036² = 10262870227298592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71633994 and 71634012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9621 + ... + 15356.

It is an arithmetic number, because the mean of its divisors is an integer number (6993840).

Almost surely, 2^71634036 is an apocalyptic number.

It is an amenable number.

71634036 is an abundant number, since it is smaller than the sum of its proper divisors (96218124).

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

71634036 is a wasteful number, since it uses less digits than its factorization.

71634036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25223 (or 25221 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 71634036 is about 8463.6892665078. The cubic root of 71634036 is about 415.3107190590.

The spelling of 71634036 in words is "seventy-one million, six hundred thirty-four thousand, thirty-six".