73622537 has 2 divisors, whose sum is σ = 73622538. Its totient is φ = 73622536.

The previous prime is 73622531. The next prime is 73622569. The reversal of 73622537 is 73522637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51897616 + 21724921 = 7204^2 + 4661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73622537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73622497 and 73622506.

It is not a weakly prime, because it can be changed into another prime (73622531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36811268 + 36811269.

It is an arithmetic number, because the mean of its divisors is an integer number (36811269).

Almost surely, 2^73622537 is an apocalyptic number.

It is an amenable number.

73622537 is a deficient number, since it is larger than the sum of its proper divisors (1).

73622537 is an equidigital number, since it uses as much as digits as its factorization.

73622537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 35.

The square root of 73622537 is about 8580.3576265794. The cubic root of 73622537 is about 419.1185918662.

The spelling of 73622537 in words is "seventy-three million, six hundred twenty-two thousand, five hundred thirty-seven".