72675626 has 8 divisors (see below), whose sum is σ = 109054020. Its totient is φ = 36324288.

The previous prime is 72675593. The next prime is 72675649. The reversal of 72675626 is 62657627.

It is a happy number.

It is a Cunningham number, because it is equal to 8525²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 72675625 + 1 = 8525^2 + 1^2 .

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

It is a super-2 number, since 2×72675626² = 10563493228983752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480 + ... + 12308.

Almost surely, 2^72675626 is an apocalyptic number.

72675626 is a deficient number, since it is larger than the sum of its proper divisors (36378394).

72675626 is a wasteful number, since it uses less digits than its factorization.

72675626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528.

The product of its digits is 211680, while the sum is 41.

The square root of 72675626 is about 8525.0000586510. Note that the first 4 decimals coincide. The cubic root of 72675626 is about 417.3139735621.

The spelling of 72675626 in words is "seventy-two million, six hundred seventy-five thousand, six hundred twenty-six".