3321690073 has 8 divisors (see below), whose sum is σ = 3700557000. Its totient is φ = 2960444928.

The previous prime is 3321690023. The next prime is 3321690139. The reversal of 3321690073 is 3700961233.

It can be written as a sum of positive squares in 4 ways, for example, as 87834384 + 3233855689 = 9372^2 + 56867^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321690073 is a prime.

It is a super-2 number, since 2×3321690073² = 22067249882133490658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321690023) 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, 4405048 + ... + 4405801.

It is an arithmetic number, because the mean of its divisors is an integer number (462569625).

Almost surely, 2^3321690073 is an apocalyptic number.

It is an amenable number.

3321690073 is a deficient number, since it is larger than the sum of its proper divisors (378866927).

3321690073 is a wasteful number, since it uses less digits than its factorization.

3321690073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810891.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 3321690073 is about 57634.1051201457. The cubic root of 3321690073 is about 1492.0602810963.

The spelling of 3321690073 in words is "three billion, three hundred twenty-one million, six hundred ninety thousand, seventy-three".