755625247 has 16 divisors (see below), whose sum is σ = 850530240. Its totient is φ = 666473472.

The previous prime is 755625229. The next prime is 755625287. The reversal of 755625247 is 742526557.

It is a cyclic number.

It is not a de Polignac number, because 755625247 - 2¹⁵ = 755592479 is a prime.

It is a super-2 number, since 2×755625247² = 1141939027807622018, 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 (755625287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26238 + ... + 46900.

It is an arithmetic number, because the mean of its divisors is an integer number (53158140).

Almost surely, 2^755625247 is an apocalyptic number.

755625247 is a deficient number, since it is larger than the sum of its proper divisors (94904993).

755625247 is a wasteful number, since it uses less digits than its factorization.

755625247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20802.

The product of its digits is 588000, while the sum is 43.

The square root of 755625247 is about 27488.6385075725. The cubic root of 755625247 is about 910.8261414421.

The spelling of 755625247 in words is "seven hundred fifty-five million, six hundred twenty-five thousand, two hundred forty-seven".