63373536 has 96 divisors (see below), whose sum is σ = 189453600. Its totient is φ = 20597760.

The previous prime is 63373523. The next prime is 63373537. The reversal of 63373536 is 63537336.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63373536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63373537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34530 + ... + 36318.

It is an arithmetic number, because the mean of its divisors is an integer number (1973475).

Almost surely, 2^63373536 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 63373536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94726800).

63373536 is an abundant number, since it is smaller than the sum of its proper divisors (126080064).

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

63373536 is a wasteful number, since it uses less digits than its factorization.

63373536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1835 counting only the distinct ones).

The product of its digits is 102060, while the sum is 36.

The square root of 63373536 is about 7960.7497134378. The cubic root of 63373536 is about 398.6905849243.

The spelling of 63373536 in words is "sixty-three million, three hundred seventy-three thousand, five hundred thirty-six".