823072074 has 32 divisors (see below), whose sum is σ = 1801612800. Its totient is φ = 248607600.

The previous prime is 823072031. The next prime is 823072087. The reversal of 823072074 is 470270328.

It is a super-2 number, since 2×823072074² = 1354895277997322952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477 + ... + 40575.

It is an arithmetic number, because the mean of its divisors is an integer number (56300400).

Almost surely, 2^823072074 is an apocalyptic number.

823072074 is an abundant number, since it is smaller than the sum of its proper divisors (978540726).

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

823072074 is a wasteful number, since it uses less digits than its factorization.

823072074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40426.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 823072074 is about 28689.2327189139. The cubic root of 823072074 is about 937.1575800493.

The spelling of 823072074 in words is "eight hundred twenty-three million, seventy-two thousand, seventy-four".