672577747 has 2 divisors, whose sum is σ = 672577748. Its totient is φ = 672577746.

The previous prime is 672577733. The next prime is 672577769. The reversal of 672577747 is 747775276.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672577747 - 2¹⁵ = 672544979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672577694 and 672577703.

It is not a weakly prime, because it can be changed into another prime (672577847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336288873 + 336288874.

It is an arithmetic number, because the mean of its divisors is an integer number (336288874).

Almost surely, 2^672577747 is an apocalyptic number.

672577747 is a deficient number, since it is larger than the sum of its proper divisors (1).

672577747 is an equidigital number, since it uses as much as digits as its factorization.

672577747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4033680, while the sum is 52.

The square root of 672577747 is about 25934.1039367085. The cubic root of 672577747 is about 876.1547733415.

The spelling of 672577747 in words is "six hundred seventy-two million, five hundred seventy-seven thousand, seven hundred forty-seven".