73053729 has 12 divisors (see below), whose sum is σ = 120596736. Its totient is φ = 41744952.

The previous prime is 73053691. The next prime is 73053731. The reversal of 73053729 is 92735037.

It is a happy number.

It is not a de Polignac number, because 73053729 - 2⁸ = 73053473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73053693 and 73053702.

It is not an unprimeable number, because it can be changed into a prime (73058729) 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, 579729 + ... + 579854.

It is an arithmetic number, because the mean of its divisors is an integer number (10049728).

Almost surely, 2^73053729 is an apocalyptic number.

It is an amenable number.

73053729 is a deficient number, since it is larger than the sum of its proper divisors (47543007).

73053729 is a wasteful number, since it uses less digits than its factorization.

73053729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159596 (or 1159593 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 73053729 is about 8547.1474188761. The cubic root of 73053729 is about 418.0364295227.

The spelling of 73053729 in words is "seventy-three million, fifty-three thousand, seven hundred twenty-nine".