672013747 has 8 divisors (see below), whose sum is σ = 704171520. Its totient is φ = 640101000.

The previous prime is 672013729. The next prime is 672013763. The reversal of 672013747 is 747310276.

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

It is a cyclic number.

It is not a de Polignac number, because 672013747 - 2⁷ = 672013619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672013777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55629 + ... + 66622.

It is an arithmetic number, because the mean of its divisors is an integer number (88021440).

Almost surely, 2^672013747 is an apocalyptic number.

672013747 is a deficient number, since it is larger than the sum of its proper divisors (32157773).

672013747 is a wasteful number, since it uses less digits than its factorization.

672013747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122513.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 672013747 is about 25923.2279432944. The cubic root of 672013747 is about 875.9098006799.

The spelling of 672013747 in words is "six hundred seventy-two million, thirteen thousand, seven hundred forty-seven".