72338011 has 4 divisors (see below), whose sum is σ = 72457792. Its totient is φ = 72218232.

The previous prime is 72337999. The next prime is 72338023. The reversal of 72338011 is 11083327.

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 (72337999) and next prime (72338023).

It is a cyclic number.

It is not a de Polignac number, because 72338011 - 2¹³ = 72329819 is a prime.

It is a super-2 number, since 2×72338011² = 10465575670872242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72338081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58980 + ... + 60193.

It is an arithmetic number, because the mean of its divisors is an integer number (18114448).

Almost surely, 2^72338011 is an apocalyptic number.

72338011 is a deficient number, since it is larger than the sum of its proper divisors (119781).

72338011 is a wasteful number, since it uses less digits than its factorization.

72338011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119780.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 72338011 is about 8505.1755419862. The cubic root of 72338011 is about 416.6667588978. Note that the first 3 decimals are identical.

The spelling of 72338011 in words is "seventy-two million, three hundred thirty-eight thousand, eleven".