733990 has 16 divisors (see below), whose sum is σ = 1367280. Its totient is φ = 283360.

The previous prime is 733981. The next prime is 733991. The reversal of 733990 is 99337.

733990 = T₁₉ + T₂₀ + ... + T₁₆₃.

733990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733991) by changing a digit.

733990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976 + ... + 1555.

It is an arithmetic number, because the mean of its divisors is an integer number (85455).

2⁷³³⁹⁹⁰ is an apocalyptic number.

733990 is a deficient number, since it is larger than the sum of its proper divisors (633290).

733990 is a wasteful number, since it uses less digits than its factorization.

733990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 733990 is about 856.7321635144. The cubic root of 733990 is about 90.2048830286.

The spelling of 733990 in words is "seven hundred thirty-three thousand, nine hundred ninety".