1407734641 has 2 divisors, whose sum is σ = 1407734642. Its totient is φ = 1407734640.

The previous prime is 1407734639. The next prime is 1407734659. The reversal of 1407734641 is 1464377041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1402877025 + 4857616 = 37455^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407734641 - 2¹ = 1407734639 is a prime.

Together with 1407734639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1407734641.

It is not a weakly prime, because it can be changed into another prime (1407734621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703867320 + 703867321.

It is an arithmetic number, because the mean of its divisors is an integer number (703867321).

Almost surely, 2^1407734641 is an apocalyptic number.

It is an amenable number.

1407734641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407734641 is an equidigital number, since it uses as much as digits as its factorization.

1407734641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1407734641 is about 37519.7899914165. The cubic root of 1407734641 is about 1120.7453162517.

The spelling of 1407734641 in words is "one billion, four hundred seven million, seven hundred thirty-four thousand, six hundred forty-one".