72233051 has 16 divisors (see below), whose sum is σ = 84862080. Its totient is φ = 60746880.

The previous prime is 72233047. The next prime is 72233059. The reversal of 72233051 is 15033227.

It is a cyclic number.

It is not a de Polignac number, because 72233051 - 2² = 72233047 is a prime.

It is a super-2 number, since 2×72233051² = 10435227313537202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72233059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7760 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (5303880).

Almost surely, 2^72233051 is an apocalyptic number.

72233051 is a deficient number, since it is larger than the sum of its proper divisors (12629029).

72233051 is a wasteful number, since it uses less digits than its factorization.

72233051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 72233051 is about 8499.0029415220. The cubic root of 72233051 is about 416.4651382406.

Adding to 72233051 its reverse (15033227), we get a palindrome (87266278).

The spelling of 72233051 in words is "seventy-two million, two hundred thirty-three thousand, fifty-one".