7146021 has 16 divisors (see below), whose sum is σ = 9907200. Its totient is φ = 4578288.

The previous prime is 7145993. The next prime is 7146023. The reversal of 7146021 is 1206417.

It is not a de Polignac number, because 7146021 - 2¹³ = 7137829 is a prime.

It is a super-2 number, since 2×7146021² = 102131232264882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7146023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7890 + ... + 8748.

It is an arithmetic number, because the mean of its divisors is an integer number (619200).

Almost surely, 2^7146021 is an apocalyptic number.

It is an amenable number.

7146021 is a deficient number, since it is larger than the sum of its proper divisors (2761179).

7146021 is a wasteful number, since it uses less digits than its factorization.

7146021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 7146021 is about 2673.2042570668. The cubic root of 7146021 is about 192.6141089917.

The spelling of 7146021 in words is "seven million, one hundred forty-six thousand, twenty-one".