73624531 has 2 divisors, whose sum is σ = 73624532. Its totient is φ = 73624530.

The previous prime is 73624519. The next prime is 73624543. The reversal of 73624531 is 13542637.

It is a balanced prime because it is at equal distance from previous prime (73624519) and next prime (73624543).

It is an emirp because it is prime and its reverse (13542637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73624531 - 2²³ = 65235923 is a prime.

It is a super-2 number, since 2×73624531² = 10841143129939922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73624493 and 73624502.

It is not a weakly prime, because it can be changed into another prime (73624511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36812265 + 36812266.

It is an arithmetic number, because the mean of its divisors is an integer number (36812266).

Almost surely, 2^73624531 is an apocalyptic number.

73624531 is a deficient number, since it is larger than the sum of its proper divisors (1).

73624531 is an equidigital number, since it uses as much as digits as its factorization.

73624531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 73624531 is about 8580.4738214157. The cubic root of 73624531 is about 419.1223756483.

The spelling of 73624531 in words is "seventy-three million, six hundred twenty-four thousand, five hundred thirty-one".