73622743 has 6 divisors (see below), whose sum is σ = 74527424. Its totient is φ = 72728916.

The previous prime is 73622723. The next prime is 73622761. The reversal of 73622743 is 34722637.

It is a happy number.

It is not a de Polignac number, because 73622743 - 2⁹ = 73622231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73622699 and 73622708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73622723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546 + ... + 12232.

Almost surely, 2^73622743 is an apocalyptic number.

73622743 is a deficient number, since it is larger than the sum of its proper divisors (904681).

73622743 is an equidigital number, since it uses as much as digits as its factorization.

73622743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853 (or 10770 counting only the distinct ones).

The product of its digits is 42336, while the sum is 34.

The square root of 73622743 is about 8580.3696307327. The cubic root of 73622743 is about 419.1189827716.

The spelling of 73622743 in words is "seventy-three million, six hundred twenty-two thousand, seven hundred forty-three".