812037552 has 80 divisors (see below), whose sum is σ = 2129863680. Its totient is φ = 266570496.

The previous prime is 812037533. The next prime is 812037571. The reversal of 812037552 is 255730218.

It is an interprime number because it is at equal distance from previous prime (812037533) and next prime (812037571).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144974 + ... + 1145682.

It is an arithmetic number, because the mean of its divisors is an integer number (26623296).

Almost surely, 2^812037552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812037552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064931840).

812037552 is an abundant number, since it is smaller than the sum of its proper divisors (1317826128).

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

812037552 is a wasteful number, since it uses less digits than its factorization.

812037552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 812037552 is about 28496.2725983592. The cubic root of 812037552 is about 932.9507204965.

The spelling of 812037552 in words is "eight hundred twelve million, thirty-seven thousand, five hundred fifty-two".