1970400875 has 48 divisors (see below), whose sum is σ = 2584314720. Its totient is φ = 1498952000.

The previous prime is 1970400847. The next prime is 1970400877. The reversal of 1970400875 is 5780040791.

It is a de Polignac number, because none of the positive numbers 2^k-1970400875 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970400877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27752090 + ... + 27752160.

It is an arithmetic number, because the mean of its divisors is an integer number (53839890).

Almost surely, 2^1970400875 is an apocalyptic number.

1970400875 is a deficient number, since it is larger than the sum of its proper divisors (613913845).

1970400875 is an frugal number, since it uses more digits than its factorization.

1970400875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 1970400875 is about 44389.1977287267. The cubic root of 1970400875 is about 1253.6747066390.

The spelling of 1970400875 in words is "one billion, nine hundred seventy million, four hundred thousand, eight hundred seventy-five".