761746313 has 4 divisors (see below), whose sum is σ = 772181268. Its totient is φ = 751311360.

The previous prime is 761746303. The next prime is 761746357. The reversal of 761746313 is 313647167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313647167 = 67 ⋅4681301.

It can be written as a sum of positive squares in 2 ways, for example, as 568202569 + 193543744 = 23837^2 + 13912^2 .

It is a cyclic number.

It is not a de Polignac number, because 761746313 - 2⁸ = 761746057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761746303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5217368 + ... + 5217513.

It is an arithmetic number, because the mean of its divisors is an integer number (193045317).

Almost surely, 2^761746313 is an apocalyptic number.

761746313 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

761746313 is a deficient number, since it is larger than the sum of its proper divisors (10434955).

761746313 is a wasteful number, since it uses less digits than its factorization.

761746313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434954.

The product of its digits is 63504, while the sum is 38.

The square root of 761746313 is about 27599.7520459877. The cubic root of 761746313 is about 913.2789622413.

The spelling of 761746313 in words is "seven hundred sixty-one million, seven hundred forty-six thousand, three hundred thirteen".