47421036 has 72 divisors (see below), whose sum is σ = 135910320. Its totient is φ = 13820544.

The previous prime is 47421001. The next prime is 47421047. The reversal of 47421036 is 63012474.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6226 + ... + 11558.

Almost surely, 2^47421036 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 47421036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67955160).

47421036 is an abundant number, since it is smaller than the sum of its proper divisors (88489284).

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

47421036 is a wasteful number, since it uses less digits than its factorization.

47421036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 47421036 is about 6886.2933425755. The cubic root of 47421036 is about 361.9570271425.

It can be divided in two parts, 4742 and 1036, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 47421036 in words is "forty-seven million, four hundred twenty-one thousand, thirty-six".