72634351 has 2 divisors, whose sum is σ = 72634352. Its totient is φ = 72634350.

The previous prime is 72634337. The next prime is 72634363. The reversal of 72634351 is 15343627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72634351 - 2¹⁹ = 72110063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72634381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36317175 + 36317176.

It is an arithmetic number, because the mean of its divisors is an integer number (36317176).

Almost surely, 2^72634351 is an apocalyptic number.

72634351 is a deficient number, since it is larger than the sum of its proper divisors (1).

72634351 is an equidigital number, since it uses as much as digits as its factorization.

72634351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 72634351 is about 8522.5788937387. The cubic root of 72634351 is about 417.2349562581.

Adding to 72634351 its reverse (15343627), we get a palindrome (87977978).

The spelling of 72634351 in words is "seventy-two million, six hundred thirty-four thousand, three hundred fifty-one".