836124072 has 128 divisors (see below), whose sum is σ = 2459842560. Its totient is φ = 231909120.

The previous prime is 836124049. The next prime is 836124097. The reversal of 836124072 is 270421638.

It is a super-2 number, since 2×836124072² = 1398206927555722368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850093 + ... + 851075.

It is an arithmetic number, because the mean of its divisors is an integer number (19217520).

Almost surely, 2^836124072 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 836124072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229921280).

836124072 is an abundant number, since it is smaller than the sum of its proper divisors (1623718488).

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

836124072 is a wasteful number, since it uses less digits than its factorization.

836124072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 836124072 is about 28915.8100699254. The cubic root of 836124072 is about 942.0853326712.

The spelling of 836124072 in words is "eight hundred thirty-six million, one hundred twenty-four thousand, seventy-two".