914045721 has 8 divisors (see below), whose sum is σ = 1234154880. Its totient is φ = 601650192.

The previous prime is 914045689. The next prime is 914045723. The reversal of 914045721 is 127540419.

It is a happy number.

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

It is not a de Polignac number, because 914045721 - 2⁵ = 914045689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (914045723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928130 + ... + 1928603.

It is an arithmetic number, because the mean of its divisors is an integer number (154269360).

Almost surely, 2^914045721 is an apocalyptic number.

It is an amenable number.

914045721 is a deficient number, since it is larger than the sum of its proper divisors (320109159).

914045721 is a wasteful number, since it uses less digits than its factorization.

914045721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856815.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 914045721 is about 30233.1890643379. The cubic root of 914045721 is about 970.4860712627.

The spelling of 914045721 in words is "nine hundred fourteen million, forty-five thousand, seven hundred twenty-one".