72501034 has 8 divisors (see below), whose sum is σ = 108934308. Its totient is φ = 36189600.

The previous prime is 72500983. The next prime is 72501041. The reversal of 72501034 is 43010527.

It can be written as a sum of positive squares in 2 ways, for example, as 70610409 + 1890625 = 8403^2 + 1375^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 72500996 and 72501014.

It is an unprimeable number.

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, 28957 + ... + 31360.

Almost surely, 2^72501034 is an apocalyptic number.

72501034 is a deficient number, since it is larger than the sum of its proper divisors (36433274).

72501034 is a wasteful number, since it uses less digits than its factorization.

72501034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60920.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 72501034 is about 8514.7539013174. The cubic root of 72501034 is about 416.9795280815.

The spelling of 72501034 in words is "seventy-two million, five hundred one thousand, thirty-four".