73920429 has 12 divisors (see below), whose sum is σ = 116480832. Its totient is φ = 44800200.

The previous prime is 73920401. The next prime is 73920433. The reversal of 73920429 is 92402937.

It is not a de Polignac number, because 73920429 - 2⁸ = 73920173 is a prime.

It is a super-3 number, since 3×73920429³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73920393 and 73920402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73920439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373237 + ... + 373434.

It is an arithmetic number, because the mean of its divisors is an integer number (9706736).

Almost surely, 2^73920429 is an apocalyptic number.

It is an amenable number.

73920429 is a deficient number, since it is larger than the sum of its proper divisors (42560403).

73920429 is a wasteful number, since it uses less digits than its factorization.

73920429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746688 (or 746685 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 73920429 is about 8597.6990526536. The cubic root of 73920429 is about 419.6831113087.

The spelling of 73920429 in words is "seventy-three million, nine hundred twenty thousand, four hundred twenty-nine".