1994749700 has 36 divisors (see below), whose sum is σ = 4344638592. Its totient is φ = 794944800.

The previous prime is 1994749633. The next prime is 1994749709. The reversal of 1994749700 is 79474991.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (1994749709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9704 + ... + 63903.

Almost surely, 2^1994749700 is an apocalyptic number.

1994749700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994749700 is an abundant number, since it is smaller than the sum of its proper divisors (2349888892).

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

1994749700 is a wasteful number, since it uses less digits than its factorization.

1994749700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73892 (or 73885 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 1994749700 is about 44662.6208366683. The cubic root of 1994749700 is about 1258.8175898334.

The spelling of 1994749700 in words is "one billion, nine hundred ninety-four million, seven hundred forty-nine thousand, seven hundred".