670265690 has 32 divisors (see below), whose sum is σ = 1252644480. Its totient is φ = 257914944.

The previous prime is 670265677. The next prime is 670265711. The reversal of 670265690 is 96562076.

It is a super-2 number, since 2×670265690² = 898512190382352200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77987 + ... + 86153.

It is an arithmetic number, because the mean of its divisors is an integer number (39145140).

Almost surely, 2^670265690 is an apocalyptic number.

670265690 is a deficient number, since it is larger than the sum of its proper divisors (582378790).

670265690 is a wasteful number, since it uses less digits than its factorization.

670265690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 670265690 is about 25889.4899524884. The cubic root of 670265690 is about 875.1496625631.

The spelling of 670265690 in words is "six hundred seventy million, two hundred sixty-five thousand, six hundred ninety".