7213950 has 144 divisors (see below), whose sum is σ = 21936096. Its totient is φ = 1689600.

The previous prime is 7213937. The next prime is 7214023. The reversal of 7213950 is 593127.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175930 + ... + 175970.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

Almost surely, 2^7213950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10968048).

7213950 is an abundant number, since it is smaller than the sum of its proper divisors (14722146).

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

7213950 is a wasteful number, since it uses less digits than its factorization.

7213950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 7213950 is about 2685.8797441434. The cubic root of 7213950 is about 193.2225055120. Note that the first 3 decimals are identical.

The spelling of 7213950 in words is "seven million, two hundred thirteen thousand, nine hundred fifty".