670332433 has 4 divisors (see below), whose sum is σ = 670878208. Its totient is φ = 669786660.

The previous prime is 670332427. The next prime is 670332449. The reversal of 670332433 is 334233076.

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 670332433 - 2¹⁷ = 670201361 is a prime.

It is a super-4 number, since 4×670332433⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670332395 and 670332404.

It is not an unprimeable number, because it can be changed into a prime (670332463) 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, 271041 + ... + 273502.

It is an arithmetic number, because the mean of its divisors is an integer number (167719552).

Almost surely, 2^670332433 is an apocalyptic number.

It is an amenable number.

670332433 is a deficient number, since it is larger than the sum of its proper divisors (545775).

670332433 is a wasteful number, since it uses less digits than its factorization.

670332433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545774.

The product of its (nonzero) digits is 27216, while the sum is 31.

The square root of 670332433 is about 25890.7789183717. The cubic root of 670332433 is about 875.1787098380.

The spelling of 670332433 in words is "six hundred seventy million, three hundred thirty-two thousand, four hundred thirty-three".