670225751 has 4 divisors (see below), whose sum is σ = 721781592. Its totient is φ = 618669912.

The previous prime is 670225709. The next prime is 670225753. The reversal of 670225751 is 157522076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670225751 - 2¹⁰ = 670224727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670225753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25777901 + ... + 25777926.

It is an arithmetic number, because the mean of its divisors is an integer number (180445398).

Almost surely, 2^670225751 is an apocalyptic number.

670225751 is a deficient number, since it is larger than the sum of its proper divisors (51555841).

670225751 is a wasteful number, since it uses less digits than its factorization.

670225751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555840.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 670225751 is about 25888.7186048286. The cubic root of 670225751 is about 875.1322797565.

The spelling of 670225751 in words is "six hundred seventy million, two hundred twenty-five thousand, seven hundred fifty-one".