905729612 has 6 divisors (see below), whose sum is σ = 1585026828. Its totient is φ = 452864804.

The previous prime is 905729603. The next prime is 905729659. The reversal of 905729612 is 216927509.

It is a super-2 number, since 2×905729612² = 1640692260107341088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 905729612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113216198 + ... + 113216205.

It is an arithmetic number, because the mean of its divisors is an integer number (264171138).

Almost surely, 2^905729612 is an apocalyptic number.

It is an amenable number.

905729612 is a deficient number, since it is larger than the sum of its proper divisors (679297216).

905729612 is a wasteful number, since it uses less digits than its factorization.

905729612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226432407 (or 226432405 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 905729612 is about 30095.3420316168. The cubic root of 905729612 is about 967.5338963925.

The spelling of 905729612 in words is "nine hundred five million, seven hundred twenty-nine thousand, six hundred twelve".