537756772 has 72 divisors (see below), whose sum is σ = 1158440640. Its totient is φ = 217818720.

The previous prime is 537756757. The next prime is 537756799. The reversal of 537756772 is 277657735.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1277122 + ... + 1277542.

Almost surely, 2^537756772 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 537756772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579220320).

537756772 is an abundant number, since it is smaller than the sum of its proper divisors (620683868).

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

537756772 is an equidigital number, since it uses as much as digits as its factorization.

537756772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 449 counting only the distinct ones).

The product of its digits is 2160900, while the sum is 49.

The square root of 537756772 is about 23189.5832649058. The cubic root of 537756772 is about 813.1961167035.

The spelling of 537756772 in words is "five hundred thirty-seven million, seven hundred fifty-six thousand, seven hundred seventy-two".