1672724475 has 36 divisors (see below), whose sum is σ = 3008988216. Its totient is φ = 888263040.

The previous prime is 1672724461. The next prime is 1672724477. The reversal of 1672724475 is 5744272761.

It is not a de Polignac number, because 1672724475 - 2⁶ = 1672724411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1672724475.

It is not an unprimeable number, because it can be changed into a prime (1672724477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36472 + ... + 68378.

It is an arithmetic number, because the mean of its divisors is an integer number (83583006).

Almost surely, 2^1672724475 is an apocalyptic number.

1672724475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1672724475 is a deficient number, since it is larger than the sum of its proper divisors (1336263741).

1672724475 is a wasteful number, since it uses less digits than its factorization.

1672724475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32156 (or 32148 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 1672724475 is about 40898.9544487387. The cubic root of 1672724475 is about 1187.0658298297.

The spelling of 1672724475 in words is "one billion, six hundred seventy-two million, seven hundred twenty-four thousand, four hundred seventy-five".