810036772 has 6 divisors (see below), whose sum is σ = 1417564358. Its totient is φ = 405018384.

The previous prime is 810036769. The next prime is 810036781. The reversal of 810036772 is 277630018.

It can be written as a sum of positive squares in only one way, i.e., 586414656 + 223622116 = 24216^2 + 14954^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101254593 + ... + 101254600.

Almost surely, 2^810036772 is an apocalyptic number.

It is an amenable number.

810036772 is a deficient number, since it is larger than the sum of its proper divisors (607527586).

810036772 is a wasteful number, since it uses less digits than its factorization.

810036772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202509197 (or 202509195 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 810036772 is about 28461.1449523732. The cubic root of 810036772 is about 932.1838576411.

The spelling of 810036772 in words is "eight hundred ten million, thirty-six thousand, seven hundred seventy-two".