537706420 has 24 divisors (see below), whose sum is σ = 1178279424. Its totient is φ = 205730976.

The previous prime is 537706417. The next prime is 537706523. The reversal of 537706420 is 24607735.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584004 + ... + 584923.

It is an arithmetic number, because the mean of its divisors is an integer number (49094976).

Almost surely, 2^537706420 is an apocalyptic number.

It is an amenable number.

537706420 is an abundant number, since it is smaller than the sum of its proper divisors (640573004).

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

537706420 is a wasteful number, since it uses less digits than its factorization.

537706420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168959 (or 1168957 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 537706420 is about 23188.4975796191. The cubic root of 537706420 is about 813.1707351363.

The spelling of 537706420 in words is "five hundred thirty-seven million, seven hundred six thousand, four hundred twenty".