625740667 has 8 divisors (see below), whose sum is σ = 627955200. Its totient is φ = 623531304.

The previous prime is 625740659. The next prime is 625740701. The reversal of 625740667 is 766047526.

625740667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625740667 - 2³ = 625740659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625740637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660288 + ... + 661234.

It is an arithmetic number, because the mean of its divisors is an integer number (78494400).

Almost surely, 2^625740667 is an apocalyptic number.

625740667 is a deficient number, since it is larger than the sum of its proper divisors (2214533).

625740667 is an equidigital number, since it uses as much as digits as its factorization.

625740667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 625740667 is about 25014.8089538977. The cubic root of 625740667 is about 855.3255794127.

The spelling of 625740667 in words is "six hundred twenty-five million, seven hundred forty thousand, six hundred sixty-seven".