73252639 has 2 divisors, whose sum is σ = 73252640. Its totient is φ = 73252638.

The previous prime is 73252591. The next prime is 73252651. The reversal of 73252639 is 93625237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73252639 - 2¹¹ = 73250591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73252598 and 73252607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73252139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36626319 + 36626320.

It is an arithmetic number, because the mean of its divisors is an integer number (36626320).

Almost surely, 2^73252639 is an apocalyptic number.

73252639 is a deficient number, since it is larger than the sum of its proper divisors (1).

73252639 is an equidigital number, since it uses as much as digits as its factorization.

73252639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 73252639 is about 8558.7755549494. The cubic root of 73252639 is about 418.4154942336.

The spelling of 73252639 in words is "seventy-three million, two hundred fifty-two thousand, six hundred thirty-nine".