7213541634 has 48 divisors (see below), whose sum is σ = 17717481600. Its totient is φ = 2102731488.

The previous prime is 7213541579. The next prime is 7213541663. The reversal of 7213541634 is 4361453127.

7213541634 is a `hidden beast` number, since 7 + 2 + 13 + 5 + 4 + 1 + 634 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806794 + ... + 815685.

It is an arithmetic number, because the mean of its divisors is an integer number (369114200).

Almost surely, 2^7213541634 is an apocalyptic number.

7213541634 is an abundant number, since it is smaller than the sum of its proper divisors (10503939966).

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

7213541634 is a wasteful number, since it uses less digits than its factorization.

7213541634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622519 (or 1622516 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 7213541634 is about 84932.5711020219. The cubic root of 7213541634 is about 1932.1885947474.

The spelling of 7213541634 in words is "seven billion, two hundred thirteen million, five hundred forty-one thousand, six hundred thirty-four".