7400201021 has 8 divisors (see below), whose sum is σ = 7611458520. Its totient is φ = 7189535808.

The previous prime is 7400200967. The next prime is 7400201047. The reversal of 7400201021 is 1201020047.

It can be written as a sum of positive squares in 4 ways, for example, as 4110604996 + 3289596025 = 64114^2 + 57355^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7400201021 - 2¹⁸ = 7399938877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400201321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122666 + ... + 172763.

It is an arithmetic number, because the mean of its divisors is an integer number (951432315).

Almost surely, 2^7400201021 is an apocalyptic number.

It is an amenable number.

7400201021 is a deficient number, since it is larger than the sum of its proper divisors (211257499).

7400201021 is a wasteful number, since it uses less digits than its factorization.

7400201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296143.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7400201021 is about 86024.4210733208. The cubic root of 7400201021 is about 1948.7128056496.

Adding to 7400201021 its reverse (1201020047), we get a palindrome (8601221068).

The spelling of 7400201021 in words is "seven billion, four hundred million, two hundred one thousand, twenty-one".