1625068736 has 14 divisors (see below), whose sum is σ = 3224745900. Its totient is φ = 812534336.

The previous prime is 1625068733. The next prime is 1625068787. The reversal of 1625068736 is 6378605261.

It is not an unprimeable number, because it can be changed into a prime (1625068733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12695786 + ... + 12695913.

Almost surely, 2^1625068736 is an apocalyptic number.

1625068736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1625068736 is a deficient number, since it is larger than the sum of its proper divisors (1599677164).

1625068736 is an equidigital number, since it uses as much as digits as its factorization.

1625068736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25391711 (or 25391701 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1625068736 is about 40312.1412976289. The cubic root of 1625068736 is about 1175.6839201745.

The spelling of 1625068736 in words is "one billion, six hundred twenty-five million, sixty-eight thousand, seven hundred thirty-six".