761009245 has 16 divisors (see below), whose sum is σ = 939686832. Its totient is φ = 591385600.

The previous prime is 761009243. The next prime is 761009279. The reversal of 761009245 is 542900167.

761009245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 58706244 + 702303001 = 7662^2 + 26501^2 .

It is not a de Polignac number, because 761009245 - 2¹ = 761009243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761009245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761009243) 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, 12549 + ... + 40981.

It is an arithmetic number, because the mean of its divisors is an integer number (58730427).

Almost surely, 2^761009245 is an apocalyptic number.

It is an amenable number.

761009245 is a deficient number, since it is larger than the sum of its proper divisors (178677587).

761009245 is a wasteful number, since it uses less digits than its factorization.

761009245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28592.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 761009245 is about 27586.3960132526. The cubic root of 761009245 is about 912.9843033691.

The spelling of 761009245 in words is "seven hundred sixty-one million, nine thousand, two hundred forty-five".