907670649 has 4 divisors (see below), whose sum is σ = 1210227536. Its totient is φ = 605113764.

The previous prime is 907670611. The next prime is 907670657. The reversal of 907670649 is 946076709.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 907670649 - 2¹⁶ = 907605113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 907670598 and 907670607.

It is not an unprimeable number, because it can be changed into a prime (907670249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151278439 + ... + 151278444.

It is an arithmetic number, because the mean of its divisors is an integer number (302556884).

Almost surely, 2^907670649 is an apocalyptic number.

It is an amenable number.

907670649 is a deficient number, since it is larger than the sum of its proper divisors (302556887).

907670649 is a wasteful number, since it uses less digits than its factorization.

907670649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302556886.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 907670649 is about 30127.5729025755. The cubic root of 907670649 is about 968.2245657673.

The spelling of 907670649 in words is "nine hundred seven million, six hundred seventy thousand, six hundred forty-nine".