4532720894 has 8 divisors (see below), whose sum is σ = 7322087640. Its totient is φ = 2092025016.

The previous prime is 4532720861. The next prime is 4532720923. The reversal of 4532720894 is 4980272354.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87167684 + ... + 87167735.

It is an arithmetic number, because the mean of its divisors is an integer number (915260955).

Almost surely, 2^4532720894 is an apocalyptic number.

4532720894 is a deficient number, since it is larger than the sum of its proper divisors (2789366746).

4532720894 is a wasteful number, since it uses less digits than its factorization.

4532720894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174335434.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4532720894 is about 67325.4847290385. The cubic root of 4532720894 is about 1654.9555205687.

The spelling of 4532720894 in words is "four billion, five hundred thirty-two million, seven hundred twenty thousand, eight hundred ninety-four".