72952106 has 4 divisors (see below), whose sum is σ = 109428162. Its totient is φ = 36476052.

The previous prime is 72952097. The next prime is 72952109. The reversal of 72952106 is 60125927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60125927 = 211 ⋅284957.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 10621081 = 7895^2 + 3259^2 .

It is not an unprimeable number, because it can be changed into a prime (72952109) 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 as a sum of consecutive naturals, namely, 18238025 + ... + 18238028.

Almost surely, 2^72952106 is an apocalyptic number.

72952106 is a deficient number, since it is larger than the sum of its proper divisors (36476056).

72952106 is a wasteful number, since it uses less digits than its factorization.

72952106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36476055.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 72952106 is about 8541.2005011005. The cubic root of 72952106 is about 417.8424999749.

The spelling of 72952106 in words is "seventy-two million, nine hundred fifty-two thousand, one hundred six".