763213 has 4 divisors (see below), whose sum is σ = 832608. Its totient is φ = 693820.

The previous prime is 763201. The next prime is 763223. The reversal of 763213 is 312367.

763213 = T₃₆₇ + T₃₆₈ + ... + T₃₇₇.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 763213 - 2¹⁷ = 632141 is a prime.

It is a super-3 number, since 3×763213³ = 1333701170550913791, which contains 333 as substring.

It is a Duffinian number.

763213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34681 + ... + 34702.

It is an arithmetic number, because the mean of its divisors is an integer number (208152).

2⁷⁶³²¹³ is an apocalyptic number.

It is an amenable number.

763213 is a deficient number, since it is larger than the sum of its proper divisors (69395).

763213 is a wasteful number, since it uses less digits than its factorization.

763213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69394.

The product of its digits is 756, while the sum is 22.

The square root of 763213 is about 873.6206270459. The cubic root of 763213 is about 91.3864737137.

The spelling of 763213 in words is "seven hundred sixty-three thousand, two hundred thirteen".