905072 has 20 divisors (see below), whose sum is σ = 2004336. Its totient is φ = 387840.

The previous prime is 905071. The next prime is 905083. The reversal of 905072 is 270509.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929 + ... + 4152.

2⁹⁰⁵⁰⁷² is an apocalyptic number.

It is an amenable number.

905072 is an abundant number, since it is smaller than the sum of its proper divisors (1099264).

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

905072 is a wasteful number, since it uses less digits than its factorization.

905072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096 (or 8090 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 905072 is about 951.3527211292. The cubic root of 905072 is about 96.7299677871.

It can be divided in two parts, 90507 and 2, that added together give a palindrome (90509).

The spelling of 905072 in words is "nine hundred five thousand, seventy-two".