734632649 has 2 divisors, whose sum is σ = 734632650. Its totient is φ = 734632648.

The previous prime is 734632603. The next prime is 734632709. The reversal of 734632649 is 946236437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653722624 + 80910025 = 25568^2 + 8995^2 .

It is a cyclic number.

It is not a de Polignac number, because 734632649 - 2¹² = 734628553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (734638649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367316324 + 367316325.

It is an arithmetic number, because the mean of its divisors is an integer number (367316325).

Almost surely, 2^734632649 is an apocalyptic number.

It is an amenable number.

734632649 is a deficient number, since it is larger than the sum of its proper divisors (1).

734632649 is an equidigital number, since it uses as much as digits as its factorization.

734632649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 44.

The square root of 734632649 is about 27104.1076038301. The cubic root of 734632649 is about 902.3120181014.

The spelling of 734632649 in words is "seven hundred thirty-four million, six hundred thirty-two thousand, six hundred forty-nine".