1996915742 has 32 divisors (see below), whose sum is σ = 3107220480. Its totient is φ = 961873920.

The previous prime is 1996915733. The next prime is 1996915769. The reversal of 1996915742 is 2475196991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3509234 + ... + 3509802.

It is an arithmetic number, because the mean of its divisors is an integer number (97100640).

Almost surely, 2^1996915742 is an apocalyptic number.

1996915742 is a deficient number, since it is larger than the sum of its proper divisors (1110304738).

1996915742 is a wasteful number, since it uses less digits than its factorization.

1996915742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its digits is 1224720, while the sum is 53.

The square root of 1996915742 is about 44686.8631926655. The cubic root of 1996915742 is about 1259.2730630913.

The spelling of 1996915742 in words is "one billion, nine hundred ninety-six million, nine hundred fifteen thousand, seven hundred forty-two".