72726058 has 4 divisors (see below), whose sum is σ = 109089090. Its totient is φ = 36363028.

The previous prime is 72726013. The next prime is 72726103. The reversal of 72726058 is 85062727.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72726013) and next prime (72726103).

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 16670889 = 7487^2 + 4083^2 .

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 as a sum of consecutive naturals, namely, 18181513 + ... + 18181516.

Almost surely, 2^72726058 is an apocalyptic number.

72726058 is a deficient number, since it is larger than the sum of its proper divisors (36363032).

72726058 is a wasteful number, since it uses less digits than its factorization.

72726058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36363031.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 72726058 is about 8527.9574342277. The cubic root of 72726058 is about 417.4104805259.

The spelling of 72726058 in words is "seventy-two million, seven hundred twenty-six thousand, fifty-eight".