7346016021 has 4 divisors (see below), whose sum is σ = 9794688032. Its totient is φ = 4897344012.

The previous prime is 7346016019. The next prime is 7346016053. The reversal of 7346016021 is 1206106437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1206106437 = 3 ⋅402035479.

It is not a de Polignac number, because 7346016021 - 2¹ = 7346016019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7346016021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7346016221) 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, 1224336001 + ... + 1224336006.

It is an arithmetic number, because the mean of its divisors is an integer number (2448672008).

Almost surely, 2^7346016021 is an apocalyptic number.

It is an amenable number.

7346016021 is a deficient number, since it is larger than the sum of its proper divisors (2448672011).

7346016021 is a wasteful number, since it uses less digits than its factorization.

7346016021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448672010.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7346016021 is about 85708.9028106182. The cubic root of 7346016021 is about 1943.9449273866.

The spelling of 7346016021 in words is "seven billion, three hundred forty-six million, sixteen thousand, twenty-one".