213072546 has 32 divisors (see below), whose sum is σ = 436043520. Its totient is φ = 69393024.

The previous prime is 213072539. The next prime is 213072547. The reversal of 213072546 is 645270312.

213072546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213072547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45511 + ... + 49973.

It is an arithmetic number, because the mean of its divisors is an integer number (13626360).

Almost surely, 2^213072546 is an apocalyptic number.

213072546 is an abundant number, since it is smaller than the sum of its proper divisors (222970974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213072546 is a wasteful number, since it uses less digits than its factorization.

213072546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 213072546 is about 14597.0046927443. The cubic root of 213072546 is about 597.2770557625.

The spelling of 213072546 in words is "two hundred thirteen million, seventy-two thousand, five hundred forty-six".