670692101 has 4 divisors (see below), whose sum is σ = 670827072. Its totient is φ = 670557132.

The previous prime is 670692091. The next prime is 670692137. The reversal of 670692101 is 101296076.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670692101 - 2¹⁴ = 670675717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670692301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59735 + ... + 70068.

It is an arithmetic number, because the mean of its divisors is an integer number (167706768).

Almost surely, 2^670692101 is an apocalyptic number.

It is an amenable number.

670692101 is a deficient number, since it is larger than the sum of its proper divisors (134971).

670692101 is a wasteful number, since it uses less digits than its factorization.

670692101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134970.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 670692101 is about 25897.7238575130. The cubic root of 670692101 is about 875.3352080569.

The spelling of 670692101 in words is "six hundred seventy million, six hundred ninety-two thousand, one hundred one".