761345 has 24 divisors (see below), whose sum is σ = 1067256. Its totient is φ = 519168.

The previous prime is 761297. The next prime is 761347. The reversal of 761345 is 543167.

It can be written as a sum of positive squares in 12 ways, for example, as 237169 + 524176 = 487^2 + 724^2 .

It is not a de Polignac number, because 761345 - 2¹⁰ = 760321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (761347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14339 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (44469).

2⁷⁶¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

761345 is a deficient number, since it is larger than the sum of its proper divisors (305911).

761345 is a wasteful number, since it uses less digits than its factorization.

761345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 88 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 761345 is about 872.5508581166. The cubic root of 761345 is about 91.3118552274.

The spelling of 761345 in words is "seven hundred sixty-one thousand, three hundred forty-five".