73729290 has 32 divisors (see below), whose sum is σ = 178251840. Its totient is φ = 19516544.

The previous prime is 73729277. The next prime is 73729303. The reversal of 73729290 is 9292737.

It is an interprime number because it is at equal distance from previous prime (73729277) and next prime (73729303).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4860 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (5570370).

Almost surely, 2^73729290 is an apocalyptic number.

73729290 is an abundant number, since it is smaller than the sum of its proper divisors (104522550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73729290 is a wasteful number, since it uses less digits than its factorization.

73729290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18086.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 73729290 is about 8586.5761511792. The cubic root of 73729290 is about 419.3210686295.

The spelling of 73729290 in words is "seventy-three million, seven hundred twenty-nine thousand, two hundred ninety".