787473 has 12 divisors (see below), whose sum is σ = 1157520. Its totient is φ = 515736.

The previous prime is 787469. The next prime is 787477. The reversal of 787473 is 374787.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (787469) and next prime (787477).

It is not a de Polignac number, because 787473 - 2² = 787469 is a prime.

It is a super-2 number, since 2×787473² = 1240227451458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (787477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211 + ... + 1272.

It is an arithmetic number, because the mean of its divisors is an integer number (96460).

2⁷⁸⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

787473 is a deficient number, since it is larger than the sum of its proper divisors (370047).

787473 is a wasteful number, since it uses less digits than its factorization.

787473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1545 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 787473 is about 887.3967545580. The cubic root of 787473 is about 92.3446821305.

Subtracting from 787473 its reverse (374787), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 787473 in words is "seven hundred eighty-seven thousand, four hundred seventy-three".