207282738 has 32 divisors (see below), whose sum is σ = 449156736. Its totient is φ = 63393408.

The previous prime is 207282727. The next prime is 207282767. The reversal of 207282738 is 837282702.

It is a super-2 number, since 2×207282738² = 85932266945553288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 207282696 and 207282705.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5070 + ... + 20982.

It is an arithmetic number, because the mean of its divisors is an integer number (14036148).

Almost surely, 2^207282738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207282738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224578368).

207282738 is an abundant number, since it is smaller than the sum of its proper divisors (241873998).

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

207282738 is a wasteful number, since it uses less digits than its factorization.

207282738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16098.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 207282738 is about 14397.3170417269. The cubic root of 207282738 is about 591.8173761774.

The spelling of 207282738 in words is "two hundred seven million, two hundred eighty-two thousand, seven hundred thirty-eight".