771402 has 16 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 253872.

The previous prime is 771401. The next prime is 771403. The reversal of 771402 is 204177.

771402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (771401) and next prime (771403).

It is a super-2 number, since 2×771402² = 1190122091208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (771401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 1272.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2⁷⁷¹⁴⁰² is an apocalyptic number.

771402 is an abundant number, since it is smaller than the sum of its proper divisors (790998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771402 is a wasteful number, since it uses less digits than its factorization.

771402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 771402 is about 878.2949390723. The cubic root of 771402 is about 91.7121596042.

Adding to 771402 its reverse (204177), we get a palindrome (975579).

The spelling of 771402 in words is "seven hundred seventy-one thousand, four hundred two", and thus it is an iban number.