72707106 has 8 divisors (see below), whose sum is σ = 145414224. Its totient is φ = 24235700.

The previous prime is 72707101. The next prime is 72707111. The reversal of 72707106 is 60170727.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72707101) and next prime (72707111).

It is a sphenic number, since it is the product of 3 distinct primes.

72707106 is an admirable number.

It is a super-4 number, since 4×72707106⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (72707101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6058920 + ... + 6058931.

It is an arithmetic number, because the mean of its divisors is an integer number (18176778).

Almost surely, 2^72707106 is an apocalyptic number.

72707106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72707106 is a wasteful number, since it uses less digits than its factorization.

72707106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117856.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 72707106 is about 8526.8461930540. The cubic root of 72707106 is about 417.3742191046.

The spelling of 72707106 in words is "seventy-two million, seven hundred seven thousand, one hundred six".