102637472 has 48 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 43047168.

The previous prime is 102637471. The next prime is 102637481. The reversal of 102637472 is 274736201.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (102637471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5654 + ... + 15402.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^102637472 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 102637472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

102637472 is an abundant number, since it is smaller than the sum of its proper divisors (133234528).

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

102637472 is an equidigital number, since it uses as much as digits as its factorization.

102637472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813 (or 9805 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 102637472 is about 10131.0153489174. The cubic root of 102637472 is about 468.2042111695.

The spelling of 102637472 in words is "one hundred two million, six hundred thirty-seven thousand, four hundred seventy-two".