72961411 has 8 divisors (see below), whose sum is σ = 74874800. Its totient is φ = 71057952.

The previous prime is 72961409. The next prime is 72961453. The reversal of 72961411 is 11416927.

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

It is a cyclic number.

It is not a de Polignac number, because 72961411 - 2¹ = 72961409 is a prime.

It is a super-2 number, since 2×72961411² = 10646734990221842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72961211) 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, 13765 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (9359350).

Almost surely, 2^72961411 is an apocalyptic number.

72961411 is a deficient number, since it is larger than the sum of its proper divisors (1913389).

72961411 is a wasteful number, since it uses less digits than its factorization.

72961411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965.

The product of its digits is 3024, while the sum is 31.

The square root of 72961411 is about 8541.7451963870. The cubic root of 72961411 is about 417.8602644115.

The spelling of 72961411 in words is "seventy-two million, nine hundred sixty-one thousand, four hundred eleven".