72460831 has 2 divisors, whose sum is σ = 72460832. Its totient is φ = 72460830.

The previous prime is 72460789. The next prime is 72460841. The reversal of 72460831 is 13806427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72460831 - 2¹¹ = 72458783 is a prime.

It is a super-2 number, since 2×72460831² = 10501144058421122, which contains 22 as substring.

It is equal to p_4254259 and since 72460831 and 4254259 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 72460793 and 72460802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72460841) 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 as a sum of consecutive naturals, namely, 36230415 + 36230416.

It is an arithmetic number, because the mean of its divisors is an integer number (36230416).

Almost surely, 2^72460831 is an apocalyptic number.

72460831 is a deficient number, since it is larger than the sum of its proper divisors (1).

72460831 is an equidigital number, since it uses as much as digits as its factorization.

72460831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 72460831 is about 8512.3927893396. The cubic root of 72460831 is about 416.9024398590.

The spelling of 72460831 in words is "seventy-two million, four hundred sixty thousand, eight hundred thirty-one".