1023729748 has 12 divisors (see below), whose sum is σ = 1829644992. Its totient is φ = 500974040.

The previous prime is 1023729739. The next prime is 1023729787. The reversal of 1023729748 is 8479273201.

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, 2722498 + ... + 2722873.

It is an arithmetic number, because the mean of its divisors is an integer number (152470416).

Almost surely, 2^1023729748 is an apocalyptic number.

It is an amenable number.

1023729748 is a deficient number, since it is larger than the sum of its proper divisors (805915244).

1023729748 is a wasteful number, since it uses less digits than its factorization.

1023729748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445422 (or 5445420 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1023729748 is about 31995.7770338525. Note that the first 3 decimals coincide. The cubic root of 1023729748 is about 1007.8481612330.

The spelling of 1023729748 in words is "one billion, twenty-three million, seven hundred twenty-nine thousand, seven hundred forty-eight".