1672472107 has 4 divisors (see below), whose sum is σ = 1693642720. Its totient is φ = 1651301496.

The previous prime is 1672472099. The next prime is 1672472119. The reversal of 1672472107 is 7012742761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7012742761 = 1747 ⋅4014163.

It is a cyclic number.

It is not a de Polignac number, because 1672472107 - 2³ = 1672472099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672472147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10585188 + ... + 10585345.

It is an arithmetic number, because the mean of its divisors is an integer number (423410680).

Almost surely, 2^1672472107 is an apocalyptic number.

1672472107 is a deficient number, since it is larger than the sum of its proper divisors (21170613).

1672472107 is an equidigital number, since it uses as much as digits as its factorization.

1672472107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170612.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 1672472107 is about 40895.8690701151. The cubic root of 1672472107 is about 1187.0061283265.

It can be divided in two parts, 16724 and 72107, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 1672472107 in words is "one billion, six hundred seventy-two million, four hundred seventy-two thousand, one hundred seven".