1630170742 has 16 divisors (see below), whose sum is σ = 2506022064. Its totient is φ = 794848000.

The previous prime is 1630170709. The next prime is 1630170781. The reversal of 1630170742 is 2470710361.

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, 342942 + ... + 347662.

It is an arithmetic number, because the mean of its divisors is an integer number (156626379).

Almost surely, 2^1630170742 is an apocalyptic number.

1630170742 is a deficient number, since it is larger than the sum of its proper divisors (875851322).

1630170742 is a wasteful number, since it uses less digits than its factorization.

1630170742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1630170742 is about 40375.3729642216. The cubic root of 1630170742 is about 1176.9130127891.

The spelling of 1630170742 in words is "one billion, six hundred thirty million, one hundred seventy thousand, seven hundred forty-two".