73622531 has 2 divisors, whose sum is σ = 73622532. Its totient is φ = 73622530.

The previous prime is 73622467. The next prime is 73622537. The reversal of 73622531 is 13522637.

It is a strong prime.

It is an emirp because it is prime and its reverse (13522637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73622531 - 2⁶ = 73622467 is a prime.

It is a super-2 number, since 2×73622531² = 10840554141691922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73622494 and 73622503.

It is not a weakly prime, because it can be changed into another prime (73622537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36811265 + 36811266.

It is an arithmetic number, because the mean of its divisors is an integer number (36811266).

Almost surely, 2^73622531 is an apocalyptic number.

73622531 is a deficient number, since it is larger than the sum of its proper divisors (1).

73622531 is an equidigital number, since it uses as much as digits as its factorization.

73622531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 73622531 is about 8580.3572769437. The cubic root of 73622531 is about 419.1185804806.

The spelling of 73622531 in words is "seventy-three million, six hundred twenty-two thousand, five hundred thirty-one".