72621411 has 8 divisors (see below), whose sum is σ = 96975120. Its totient is φ = 48340992.

The previous prime is 72621407. The next prime is 72621443. The reversal of 72621411 is 11412627.

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

It is not a de Polignac number, because 72621411 - 2² = 72621407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72621011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15966 + ... + 20003.

It is an arithmetic number, because the mean of its divisors is an integer number (12121890).

Almost surely, 2^72621411 is an apocalyptic number.

72621411 is a deficient number, since it is larger than the sum of its proper divisors (24353709).

72621411 is a wasteful number, since it uses less digits than its factorization.

72621411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36645.

The product of its digits is 672, while the sum is 24.

The square root of 72621411 is about 8521.8197000406. The cubic root of 72621411 is about 417.2101776195.

The spelling of 72621411 in words is "seventy-two million, six hundred twenty-one thousand, four hundred eleven".