213740746 has 16 divisors (see below), whose sum is σ = 323841024. Its totient is φ = 105797664.

The previous prime is 213740729. The next prime is 213740777. The reversal of 213740746 is 647047312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223806 + ... + 224758.

It is an arithmetic number, because the mean of its divisors is an integer number (20240064).

Almost surely, 2^213740746 is an apocalyptic number.

213740746 is a deficient number, since it is larger than the sum of its proper divisors (110100278).

213740746 is a wasteful number, since it uses less digits than its factorization.

213740746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 213740746 is about 14619.8750336656. The cubic root of 213740746 is about 597.9007620472.

The spelling of 213740746 in words is "two hundred thirteen million, seven hundred forty thousand, seven hundred forty-six".