215340674 has 16 divisors (see below), whose sum is σ = 337442112. Its totient is φ = 102870768.

The previous prime is 215340667. The next prime is 215340691. The reversal of 215340674 is 476043512.

215340674 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215340674.

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, 48137 + ... + 52419.

It is an arithmetic number, because the mean of its divisors is an integer number (21090132).

Almost surely, 2^215340674 is an apocalyptic number.

215340674 is a deficient number, since it is larger than the sum of its proper divisors (122101438).

215340674 is a wasteful number, since it uses less digits than its factorization.

215340674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 215340674 is about 14674.4905874105. The cubic root of 215340674 is about 599.3888907501.

The spelling of 215340674 in words is "two hundred fifteen million, three hundred forty thousand, six hundred seventy-four".