707242649 has 4 divisors (see below), whose sum is σ = 730056960. Its totient is φ = 684428340.

The previous prime is 707242639. The next prime is 707242651. The reversal of 707242649 is 946242707.

707242649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946242707 = 509 ⋅1859023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-707242649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (707242639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11407109 + ... + 11407170.

It is an arithmetic number, because the mean of its divisors is an integer number (182514240).

Almost surely, 2^707242649 is an apocalyptic number.

It is an amenable number.

707242649 is a deficient number, since it is larger than the sum of its proper divisors (22814311).

707242649 is a wasteful number, since it uses less digits than its factorization.

707242649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22814310.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 707242649 is about 26594.0340866142. The cubic root of 707242649 is about 890.9557753921.

The spelling of 707242649 in words is "seven hundred seven million, two hundred forty-two thousand, six hundred forty-nine".