1002003764 has 12 divisors (see below), whose sum is σ = 1754477088. Its totient is φ = 500724600.

The previous prime is 1002003757. The next prime is 1002003773. The reversal of 1002003764 is 4673002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61082 + ... + 75729.

It is an arithmetic number, because the mean of its divisors is an integer number (146206424).

Almost surely, 2^1002003764 is an apocalyptic number.

It is an amenable number.

1002003764 is a deficient number, since it is larger than the sum of its proper divisors (752473324).

1002003764 is a wasteful number, since it uses less digits than its factorization.

1002003764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138646 (or 138644 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1002003764 is about 31654.4430372736. The cubic root of 1002003764 is about 1000.6674757104.

Adding to 1002003764 its reverse (4673002001), we get a palindrome (5675005765).

The spelling of 1002003764 in words is "one billion, two million, three thousand, seven hundred sixty-four".