1990000702 has 4 divisors (see below), whose sum is σ = 2985001056. Its totient is φ = 995000350.

The previous prime is 1990000697. The next prime is 1990000703. The reversal of 1990000702 is 2070000991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990000703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497500174 + ... + 497500177.

It is an arithmetic number, because the mean of its divisors is an integer number (746250264).

Almost surely, 2^1990000702 is an apocalyptic number.

1990000702 is a deficient number, since it is larger than the sum of its proper divisors (995000354).

1990000702 is an equidigital number, since it uses as much as digits as its factorization.

1990000702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995000353.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1990000702 is about 44609.4239146842. The cubic root of 1990000702 is about 1257.8178198477.

The spelling of 1990000702 in words is "one billion, nine hundred ninety million, seven hundred two", and thus it is an aban number.