73890129 has 8 divisors (see below), whose sum is σ = 98561632. Its totient is φ = 49239360.

The previous prime is 73890121. The next prime is 73890137. The reversal of 73890129 is 92109837.

It is an interprime number because it is at equal distance from previous prime (73890121) and next prime (73890137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73890129 - 2³ = 73890121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73890121) 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, 7737 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (12320204).

Almost surely, 2^73890129 is an apocalyptic number.

It is an amenable number.

73890129 is a deficient number, since it is larger than the sum of its proper divisors (24671503).

73890129 is a wasteful number, since it uses less digits than its factorization.

73890129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 73890129 is about 8595.9367726851. The cubic root of 73890129 is about 419.6257607390.

The spelling of 73890129 in words is "seventy-three million, eight hundred ninety thousand, one hundred twenty-nine".