73923129 has 24 divisors (see below), whose sum is σ = 128456640. Its totient is φ = 40017888.

The previous prime is 73923097. The next prime is 73923137. The reversal of 73923129 is 92132937.

It is not a de Polignac number, because 73923129 - 2⁵ = 73923097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73923093 and 73923102.

It is not an unprimeable number, because it can be changed into a prime (73923029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29682 + ... + 32075.

It is an arithmetic number, because the mean of its divisors is an integer number (5352360).

Almost surely, 2^73923129 is an apocalyptic number.

It is an amenable number.

73923129 is a deficient number, since it is larger than the sum of its proper divisors (54533511).

73923129 is a wasteful number, since it uses less digits than its factorization.

73923129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61789 (or 61786 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 73923129 is about 8597.8560699747. The cubic root of 73923129 is about 419.6882209950.

The spelling of 73923129 in words is "seventy-three million, nine hundred twenty-three thousand, one hundred twenty-nine".