213660074 has 8 divisors (see below), whose sum is σ = 322456800. Its totient is φ = 106174476.

The previous prime is 213660067. The next prime is 213660103. The reversal of 213660074 is 470066312.

213660074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327374 + ... + 328025.

It is an arithmetic number, because the mean of its divisors is an integer number (40307100).

Almost surely, 2^213660074 is an apocalyptic number.

213660074 is a deficient number, since it is larger than the sum of its proper divisors (108796726).

213660074 is a wasteful number, since it uses less digits than its factorization.

213660074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655564.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 213660074 is about 14617.1157893751. The cubic root of 213660074 is about 597.8255308450.

The spelling of 213660074 in words is "two hundred thirteen million, six hundred sixty thousand, seventy-four".