21374050 has 48 divisors (see below), whose sum is σ = 42408000. Its totient is φ = 7992000.

The previous prime is 21374029. The next prime is 21374051. The reversal of 21374050 is 5047312.

21374050 is a nontrivial binomial coefficient, being equal to C(152, 4).

It is not an unprimeable number, because it can be changed into a prime (21374051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141475 + ... + 141625.

It is an arithmetic number, because the mean of its divisors is an integer number (883500).

Almost surely, 2^21374050 is an apocalyptic number.

21374050 is the 3775-th pentagonal number.

21374050 is a deficient number, since it is larger than the sum of its proper divisors (21033950).

21374050 is a wasteful number, since it uses less digits than its factorization.

21374050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 21374050 is about 4623.2077608518. The cubic root of 21374050 is about 277.5208436038.

The spelling of 21374050 in words is "twenty-one million, three hundred seventy-four thousand, fifty".