761815201 has 9 divisors (see below), whose sum is σ = 886418001. Its totient is φ = 652818852.

The previous prime is 761815199. The next prime is 761815207. The reversal of 761815201 is 102518167.

The square root of 761815201 is 27601.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 761815201 - 2¹ = 761815199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (761815207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 191236 + ... + 195178.

It is an arithmetic number, because the mean of its divisors is an integer number (98490889).

Almost surely, 2^761815201 is an apocalyptic number.

761815201 is the 27601-st square number.

761815201 is the 13801-st centered octagonal number.

It is an amenable number.

761815201 is a deficient number, since it is larger than the sum of its proper divisors (124602800).

761815201 is an frugal number, since it uses more digits than its factorization.

761815201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The cubic root of 761815201 is about 913.3064919948.

The spelling of 761815201 in words is "seven hundred sixty-one million, eight hundred fifteen thousand, two hundred one".