3670212521 has 8 divisors (see below), whose sum is σ = 3788356800. Its totient is φ = 3553065648.

The previous prime is 3670212449. The next prime is 3670212523. The reversal of 3670212521 is 1252120763.

It is a happy number.

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 3670212521 - 2²² = 3666018217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3670212523) 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, 241871 + ... + 256596.

It is an arithmetic number, because the mean of its divisors is an integer number (473544600).

Almost surely, 2^3670212521 is an apocalyptic number.

It is an amenable number.

3670212521 is a deficient number, since it is larger than the sum of its proper divisors (118144279).

3670212521 is a wasteful number, since it uses less digits than its factorization.

3670212521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498703.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3670212521 is about 60582.2789353454. The cubic root of 3670212521 is about 1542.5185808752.

The spelling of 3670212521 in words is "three billion, six hundred seventy million, two hundred twelve thousand, five hundred twenty-one".