72402411 has 16 divisors (see below), whose sum is σ = 100267904. Its totient is φ = 46436544.

The previous prime is 72402383. The next prime is 72402427. The reversal of 72402411 is 11420427.

It is a happy number.

It is not a de Polignac number, because 72402411 - 2⁷ = 72402283 is a prime.

It is a super-2 number, since 2×72402411² = 10484218237225842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72402461) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4455 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (6266744).

Almost surely, 2^72402411 is an apocalyptic number.

72402411 is a deficient number, since it is larger than the sum of its proper divisors (27865493).

72402411 is a wasteful number, since it uses less digits than its factorization.

72402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 72402411 is about 8508.9606298302. The cubic root of 72402411 is about 416.7903701680.

Adding to 72402411 its reverse (11420427), we get a palindrome (83822838).

The spelling of 72402411 in words is "seventy-two million, four hundred two thousand, four hundred eleven".