555570072 has 96 divisors (see below), whose sum is σ = 1529779680. Its totient is φ = 182131200.

The previous prime is 555570017. The next prime is 555570121. The reversal of 555570072 is 270075555.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1489278 + ... + 1489650.

It is an arithmetic number, because the mean of its divisors is an integer number (15935205).

Almost surely, 2^555570072 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 555570072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764889840).

555570072 is an abundant number, since it is smaller than the sum of its proper divisors (974209608).

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

555570072 is a wasteful number, since it uses less digits than its factorization.

555570072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 555570072 is about 23570.5339778292. The cubic root of 555570072 is about 822.0778515072.

The spelling of 555570072 in words is "five hundred fifty-five million, five hundred seventy thousand, seventy-two".