73743430 has 16 divisors (see below), whose sum is σ = 133408800. Its totient is φ = 29348352.

The previous prime is 73743421. The next prime is 73743431. The reversal of 73743430 is 3434737.

It is a junction number, because it is equal to n+sod(n) for n = 73743392 and 73743401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73743431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16539 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (8338050).

Almost surely, 2^73743430 is an apocalyptic number.

73743430 is a deficient number, since it is larger than the sum of its proper divisors (59665370).

73743430 is a wasteful number, since it uses less digits than its factorization.

73743430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37263.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 73743430 is about 8587.3994899504. The cubic root of 73743430 is about 419.3478730872.

The spelling of 73743430 in words is "seventy-three million, seven hundred forty-three thousand, four hundred thirty".