537726720 has 144 divisors (see below), whose sum is σ = 1727605152. Its totient is φ = 142540800.

The previous prime is 537726703. The next prime is 537726737. The reversal of 537726720 is 27627735.

It is an interprime number because it is at equal distance from previous prime (537726703) and next prime (537726737).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 894420 + ... + 895020.

It is an arithmetic number, because the mean of its divisors is an integer number (11997258).

Almost surely, 2^537726720 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 537726720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863802576).

537726720 is an abundant number, since it is smaller than the sum of its proper divisors (1189878432).

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

537726720 is a wasteful number, since it uses less digits than its factorization.

537726720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 537726720 is about 23188.9352925053. The cubic root of 537726720 is about 813.1809682038.

The spelling of 537726720 in words is "five hundred thirty-seven million, seven hundred twenty-six thousand, seven hundred twenty".