672550557 has 16 divisors (see below), whose sum is σ = 1025216640. Its totient is φ = 384172992.

The previous prime is 672550531. The next prime is 672550561. The reversal of 672550557 is 755055276.

It is not a de Polignac number, because 672550557 - 2¹⁰ = 672549533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672550597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85023 + ... + 92595.

It is an arithmetic number, because the mean of its divisors is an integer number (64076040).

Almost surely, 2^672550557 is an apocalyptic number.

It is an amenable number.

672550557 is a deficient number, since it is larger than the sum of its proper divisors (352666083).

672550557 is a wasteful number, since it uses less digits than its factorization.

672550557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11812.

The product of its (nonzero) digits is 367500, while the sum is 42.

The square root of 672550557 is about 25933.5797181955. The cubic root of 672550557 is about 876.1429665432.

The spelling of 672550557 in words is "six hundred seventy-two million, five hundred fifty thousand, five hundred fifty-seven".