1672333507405 has 32 divisors (see below), whose sum is σ = 2196812395008. Its totient is φ = 1212035400000.

The previous prime is 1672333507393. The next prime is 1672333507409. The reversal of 1672333507405 is 5047053332761.

It is not a de Polignac number, because 1672333507405 - 2⁵ = 1672333507373 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672333507409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148633030 + ... + 148644280.

It is an arithmetic number, because the mean of its divisors is an integer number (68650387344).

Almost surely, 2^{1672333507405} is an apocalyptic number.

It is an amenable number.

1672333507405 is a deficient number, since it is larger than the sum of its proper divisors (524478887603).

1672333507405 is a wasteful number, since it uses less digits than its factorization.

1672333507405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 1672333507405 in words is "one trillion, six hundred seventy-two billion, three hundred thirty-three million, five hundred seven thousand, four hundred five".