7021950 has 72 divisors (see below), whose sum is σ = 18925128. Its totient is φ = 1722240.

The previous prime is 7021939. The next prime is 7021951. The reversal of 7021950 is 591207.

7021950 = T₂₃ + T₂₄ + ... + T₃₄₇.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7021950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7021951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25212 + ... + 25488.

It is an arithmetic number, because the mean of its divisors is an integer number (262849).

Almost surely, 2^7021950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7021950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9462564).

7021950 is an abundant number, since it is smaller than the sum of its proper divisors (11903178).

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

7021950 is a wasteful number, since it uses less digits than its factorization.

7021950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 7021950 is about 2649.8962243831. The cubic root of 7021950 is about 191.4928565031.

It can be divided in two parts, 702 and 1950, that multiplied together give a square (1368900 = 1170²).

The spelling of 7021950 in words is "seven million, twenty-one thousand, nine hundred fifty".