1630780070 has 32 divisors (see below), whose sum is σ = 3099189600. Its totient is φ = 616121856.

The previous prime is 1630780057. The next prime is 1630780091. The reversal of 1630780070 is 700870361.

It is a happy number.

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, 51296 + ... + 76764.

It is an arithmetic number, because the mean of its divisors is an integer number (96849675).

Almost surely, 2^1630780070 is an apocalyptic number.

1630780070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630780070 is a deficient number, since it is larger than the sum of its proper divisors (1468409530).

1630780070 is a wasteful number, since it uses less digits than its factorization.

1630780070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1630780070 is about 40382.9180471149. The cubic root of 1630780070 is about 1177.0596307073.

The spelling of 1630780070 in words is "one billion, six hundred thirty million, seven hundred eighty thousand, seventy".