1956932730 has 128 divisors (see below), whose sum is σ = 5542421760. Its totient is φ = 489646080.

The previous prime is 1956932707. The next prime is 1956932777. The reversal of 1956932730 is 372396591.

1956932730 is a `hidden beast` number, since 19 + 569 + 3 + 2 + 73 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2831685 + ... + 2832375.

It is an arithmetic number, because the mean of its divisors is an integer number (43300170).

Almost surely, 2^1956932730 is an apocalyptic number.

1956932730 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 1956932730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771210880).

1956932730 is an abundant number, since it is smaller than the sum of its proper divisors (3585489030).

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

1956932730 is a wasteful number, since it uses less digits than its factorization.

1956932730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 1956932730 is about 44237.2323953477. The cubic root of 1956932730 is about 1250.8117884189.

The spelling of 1956932730 in words is "one billion, nine hundred fifty-six million, nine hundred thirty-two thousand, seven hundred thirty".