537678720 has 384 divisors, whose sum is σ = 2076516000. Its totient is φ = 127844352.

The previous prime is 537678719. The next prime is 537678721. The reversal of 537678720 is 27876735.

It is an interprime number because it is at equal distance from previous prime (537678719) and next prime (537678721).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537678721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28298871 + ... + 28298889.

Almost surely, 2^537678720 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 537678720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038258000).

537678720 is an abundant number, since it is smaller than the sum of its proper divisors (1538837280).

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

537678720 is a wasteful number, since it uses less digits than its factorization.

537678720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 537678720 is about 23187.9002930408. The cubic root of 537678720 is about 813.1567713726.

The spelling of 537678720 in words is "five hundred thirty-seven million, six hundred seventy-eight thousand, seven hundred twenty".