1630447742 has 16 divisors (see below), whose sum is σ = 3049149312. Its totient is φ = 635239320.

The previous prime is 1630447739. The next prime is 1630447751. The reversal of 1630447742 is 2477440361.

It is a junction number, because it is equal to n+sod(n) for n = 1630447696 and 1630447705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293508 + ... + 5293815.

It is an arithmetic number, because the mean of its divisors is an integer number (190571832).

Almost surely, 2^1630447742 is an apocalyptic number.

1630447742 is a deficient number, since it is larger than the sum of its proper divisors (1418701570).

1630447742 is a wasteful number, since it uses less digits than its factorization.

1630447742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587343.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 1630447742 is about 40378.8031273836. The cubic root of 1630447742 is about 1176.9796697007.

It can be divided in two parts, 16304 and 47742, that added together give a palindrome (64046).

The spelling of 1630447742 in words is "one billion, six hundred thirty million, four hundred forty-seven thousand, seven hundred forty-two".