763478 has 4 divisors (see below), whose sum is σ = 1145220. Its totient is φ = 381738.

The previous prime is 763471. The next prime is 763481. The reversal of 763478 is 874367.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763471) by changing a digit.

763478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 190868 + ... + 190871.

It is an arithmetic number, because the mean of its divisors is an integer number (286305).

2⁷⁶³⁴⁷⁸ is an apocalyptic number.

763478 is a deficient number, since it is larger than the sum of its proper divisors (381742).

763478 is a wasteful number, since it uses less digits than its factorization.

763478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381741.

The product of its digits is 28224, while the sum is 35.

The square root of 763478 is about 873.7722815471. The cubic root of 763478 is about 91.3970494477.

Subtracting 763478 from its reverse (874367), we obtain a square (110889 = 333²).

The spelling of 763478 in words is "seven hundred sixty-three thousand, four hundred seventy-eight".