1672544746 has 8 divisors (see below), whose sum is σ = 2523840480. Its totient is φ = 831264588.

The previous prime is 1672544737. The next prime is 1672544747. The reversal of 1672544746 is 6474452761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1672544696 and 1672544705.

It is not an unprimeable number, because it can be changed into a prime (1672544747) 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, 2503476 + ... + 2504143.

It is an arithmetic number, because the mean of its divisors is an integer number (315480060).

Almost surely, 2^1672544746 is an apocalyptic number.

1672544746 is a deficient number, since it is larger than the sum of its proper divisors (851295734).

1672544746 is a wasteful number, since it uses less digits than its factorization.

1672544746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007788.

The product of its digits is 1128960, while the sum is 46.

The square root of 1672544746 is about 40896.7571575058. The cubic root of 1672544746 is about 1187.0233128064.

The spelling of 1672544746 in words is "one billion, six hundred seventy-two million, five hundred forty-four thousand, seven hundred forty-six".