73537963 has 2 divisors, whose sum is σ = 73537964. Its totient is φ = 73537962.

The previous prime is 73537943. The next prime is 73537979. The reversal of 73537963 is 36973537.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73537963 is a prime.

It is not a weakly prime, because it can be changed into another prime (73537913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36768981 + 36768982.

It is an arithmetic number, because the mean of its divisors is an integer number (36768982).

Almost surely, 2^73537963 is an apocalyptic number.

73537963 is a deficient number, since it is larger than the sum of its proper divisors (1).

73537963 is an equidigital number, since it uses as much as digits as its factorization.

73537963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 43.

The square root of 73537963 is about 8575.4278610458. The cubic root of 73537963 is about 418.9580426694.

The spelling of 73537963 in words is "seventy-three million, five hundred thirty-seven thousand, nine hundred sixty-three".