670545501 has 16 divisors (see below), whose sum is σ = 948132288. Its totient is φ = 420076800.

The previous prime is 670545481. The next prime is 670545509. The reversal of 670545501 is 105545076.

It is not a de Polignac number, because 670545501 - 2⁷ = 670545373 is a prime.

It is a super-2 number, since 2×670545501² = 899262537822682002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670545509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23766 + ... + 43656.

It is an arithmetic number, because the mean of its divisors is an integer number (59258268).

Almost surely, 2^670545501 is an apocalyptic number.

It is an amenable number.

670545501 is a deficient number, since it is larger than the sum of its proper divisors (277586787).

670545501 is a wasteful number, since it uses less digits than its factorization.

670545501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 670545501 is about 25894.8933382627. The cubic root of 670545501 is about 875.2714264338.

The spelling of 670545501 in words is "six hundred seventy million, five hundred forty-five thousand, five hundred one".