1625268734 has 16 divisors (see below), whose sum is σ = 2612655648. Its totient is φ = 756293472.

The previous prime is 1625268707. The next prime is 1625268751. The reversal of 1625268734 is 4378625261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475757 + ... + 479160.

It is an arithmetic number, because the mean of its divisors is an integer number (163290978).

Almost surely, 2^1625268734 is an apocalyptic number.

1625268734 is a deficient number, since it is larger than the sum of its proper divisors (987386914).

1625268734 is a wasteful number, since it uses less digits than its factorization.

1625268734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954979.

The product of its digits is 483840, while the sum is 44.

The square root of 1625268734 is about 40314.6218387324. The cubic root of 1625268734 is about 1175.7321488600.

The spelling of 1625268734 in words is "one billion, six hundred twenty-five million, two hundred sixty-eight thousand, seven hundred thirty-four".