1630090772 has 24 divisors (see below), whose sum is σ = 2883316800. Its totient is φ = 806302656.

The previous prime is 1630090729. The next prime is 1630090793. The reversal of 1630090772 is 2770900361.

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, 661679 + ... + 664137.

It is an arithmetic number, because the mean of its divisors is an integer number (120138200).

Almost surely, 2^1630090772 is an apocalyptic number.

It is an amenable number.

1630090772 is a deficient number, since it is larger than the sum of its proper divisors (1253226028).

1630090772 is a wasteful number, since it uses less digits than its factorization.

1630090772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1630090772 is about 40374.3826206668. The cubic root of 1630090772 is about 1176.8937675100.

The spelling of 1630090772 in words is "one billion, six hundred thirty million, ninety thousand, seven hundred seventy-two".