904740722 has 6 divisors (see below), whose sum is σ = 1357174893. Its totient is φ = 452349092.

The previous prime is 904740713. The next prime is 904740737. The reversal of 904740722 is 227047409.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 898140961 + 6599761 = 29969^2 + 2569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31904 + ... + 53172.

Almost surely, 2^904740722 is an apocalyptic number.

904740722 is a deficient number, since it is larger than the sum of its proper divisors (452434171).

904740722 is an frugal number, since it uses more digits than its factorization.

904740722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42540 (or 21271 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 904740722 is about 30078.9082581134. The cubic root of 904740722 is about 967.1816451965.

The spelling of 904740722 in words is "nine hundred four million, seven hundred forty thousand, seven hundred twenty-two".