7021954 has 8 divisors (see below), whose sum is σ = 10705788. Its totient is φ = 3453360.

The previous prime is 7021951. The next prime is 7021979. The reversal of 7021954 is 4591207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5396329 + 1625625 = 2323^2 + 1275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 28657 + ... + 28900.

Almost surely, 2^7021954 is an apocalyptic number.

7021954 is a deficient number, since it is larger than the sum of its proper divisors (3683834).

7021954 is a wasteful number, since it uses less digits than its factorization.

7021954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57620.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7021954 is about 2649.8969791296. The cubic root of 7021954 is about 191.4928928639.

The spelling of 7021954 in words is "seven million, twenty-one thousand, nine hundred fifty-four".