904772320749 has 12 divisors (see below), whose sum is σ = 1425701838912. Its totient is φ = 548346861000.

The previous prime is 904772320741. The next prime is 904772320759. The reversal of 904772320749 is 947023277409.

904772320749 is a `hidden beast` number, since 90 + 477 + 23 + 20 + 7 + 49 = 666.

It is not a de Polignac number, because 904772320749 - 2³ = 904772320741 is a prime.

It is a super-2 number, since 2×904772320749² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 904772320695 and 904772320704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904772320741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4569557077 + ... + 4569557274.

It is an arithmetic number, because the mean of its divisors is an integer number (118808486576).

Almost surely, 2^904772320749 is an apocalyptic number.

904772320749 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

904772320749 is a deficient number, since it is larger than the sum of its proper divisors (520929518163).

904772320749 is a wasteful number, since it uses less digits than its factorization.

904772320749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139114368 (or 9139114365 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 904772320749 in words is "nine hundred four billion, seven hundred seventy-two million, three hundred twenty thousand, seven hundred forty-nine".