73012390 has 32 divisors (see below), whose sum is σ = 146875680. Its totient is φ = 25900800.

The previous prime is 73012367. The next prime is 73012417. The reversal of 73012390 is 9321037.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 12604.

It is an arithmetic number, because the mean of its divisors is an integer number (4589865).

Almost surely, 2^73012390 is an apocalyptic number.

73012390 is an abundant number, since it is smaller than the sum of its proper divisors (73863290).

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

73012390 is a wasteful number, since it uses less digits than its factorization.

73012390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 73012390 is about 8544.7287844612. The cubic root of 73012390 is about 417.9575630552.

The spelling of 73012390 in words is "seventy-three million, twelve thousand, three hundred ninety".