672619559 has 8 divisors (see below), whose sum is σ = 696242688. Its totient is φ = 649283040.

The previous prime is 672619543. The next prime is 672619573. The reversal of 672619559 is 955916276.

It is a happy number.

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 672619559 - 2⁴ = 672619543 is a prime.

It is a super-2 number, since 2×672619559² = 904834142298708962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672619859) 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, 66872 + ... + 76269.

It is an arithmetic number, because the mean of its divisors is an integer number (87030336).

Almost surely, 2^672619559 is an apocalyptic number.

672619559 is a deficient number, since it is larger than the sum of its proper divisors (23623129).

672619559 is a wasteful number, since it uses less digits than its factorization.

672619559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143305.

The product of its digits is 1020600, while the sum is 50.

The square root of 672619559 is about 25934.9100441856. The cubic root of 672619559 is about 876.1729288754.

The spelling of 672619559 in words is "six hundred seventy-two million, six hundred nineteen thousand, five hundred fifty-nine".