771342252 has 24 divisors (see below), whose sum is σ = 1817621232. Its totient is φ = 254568000.

The previous prime is 771342251. The next prime is 771342269. The reversal of 771342252 is 252243177.

It is not an unprimeable number, because it can be changed into a prime (771342251) 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, 316999 + ... + 319422.

It is an arithmetic number, because the mean of its divisors is an integer number (75734218).

Almost surely, 2^771342252 is an apocalyptic number.

It is an amenable number.

771342252 is an abundant number, since it is smaller than the sum of its proper divisors (1046278980).

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

771342252 is a wasteful number, since it uses less digits than its factorization.

771342252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636529 (or 636527 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 771342252 is about 27773.0490223886. The cubic root of 771342252 is about 917.0979172531.

The spelling of 771342252 in words is "seven hundred seventy-one million, three hundred forty-two thousand, two hundred fifty-two".