1975642710 has 64 divisors (see below), whose sum is σ = 4907741184. Its totient is φ = 508464000.

The previous prime is 1975642673. The next prime is 1975642729. The reversal of 1975642710 is 172465791.

It is a happy number.

It is a super-2 number, since 2×1975642710² = 7806328235152288200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366535 + ... + 371885.

It is an arithmetic number, because the mean of its divisors is an integer number (76683456).

Almost surely, 2^1975642710 is an apocalyptic number.

1975642710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975642710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2453870592).

1975642710 is an abundant number, since it is smaller than the sum of its proper divisors (2932098474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1975642710 is a wasteful number, since it uses less digits than its factorization.

1975642710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 1975642710 is about 44448.2025508344. The cubic root of 1975642710 is about 1254.7854344482.

The spelling of 1975642710 in words is "one billion, nine hundred seventy-five million, six hundred forty-two thousand, seven hundred ten".