1672047413 has 4 divisors (see below), whose sum is σ = 1681388640. Its totient is φ = 1662706188.

The previous prime is 1672047409. The next prime is 1672047431. The reversal of 1672047413 is 3147402761.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3147402761 = 41 ⋅76765921.

It is a cyclic number.

It is not a de Polignac number, because 1672047413 - 2² = 1672047409 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 (1672047463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670345 + ... + 4670702.

It is an arithmetic number, because the mean of its divisors is an integer number (420347160).

Almost surely, 2^1672047413 is an apocalyptic number.

It is an amenable number.

1672047413 is a deficient number, since it is larger than the sum of its proper divisors (9341227).

1672047413 is an equidigital number, since it uses as much as digits as its factorization.

1672047413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341226.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1672047413 is about 40890.6763578203. The cubic root of 1672047413 is about 1186.9056469184.

The spelling of 1672047413 in words is "one billion, six hundred seventy-two million, forty-seven thousand, four hundred thirteen".