772387 has 12 divisors (see below), whose sum is σ = 980856. Its totient is φ = 601440.

The previous prime is 772381. The next prime is 772391. The reversal of 772387 is 783277.

772387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 772387 - 2³ = 772379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (81738).

2⁷⁷²³⁸⁷ is an apocalyptic number.

772387 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

772387 is a deficient number, since it is larger than the sum of its proper divisors (208469).

772387 is a wasteful number, since it uses less digits than its factorization.

772387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1451 counting only the distinct ones).

The product of its digits is 16464, while the sum is 34.

The square root of 772387 is about 878.8555057573. The cubic root of 772387 is about 91.7511786260.

The spelling of 772387 in words is "seven hundred seventy-two thousand, three hundred eighty-seven".