1947050740 has 48 divisors (see below), whose sum is σ = 4338956160. Its totient is φ = 732321920.

The previous prime is 1947050737. The next prime is 1947050747. The reversal of 1947050740 is 470507491.

It is a self number, because there is not a number n which added to its sum of digits gives 1947050740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947050747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8731 + ... + 63010.

It is an arithmetic number, because the mean of its divisors is an integer number (90394920).

Almost surely, 2^1947050740 is an apocalyptic number.

1947050740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1947050740 is an abundant number, since it is smaller than the sum of its proper divisors (2391905420).

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

1947050740 is a wasteful number, since it uses less digits than its factorization.

1947050740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71832 (or 71830 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1947050740 is about 44125.3979018887. The cubic root of 1947050740 is about 1248.7028121753.

The spelling of 1947050740 in words is "one billion, nine hundred forty-seven million, fifty thousand, seven hundred forty".