1964773746 has 40 divisors (see below), whose sum is σ = 4741211244. Its totient is φ = 604545120.

The previous prime is 1964773729. The next prime is 1964773753. The reversal of 1964773746 is 6473774691.

It can be written as a sum of positive squares in 2 ways, for example, as 1964705625 + 68121 = 44325^2 + 261^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1964773692 and 1964773701.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 464365 + ... + 468576.

Almost surely, 2^1964773746 is an apocalyptic number.

1964773746 is an abundant number, since it is smaller than the sum of its proper divisors (2776437498).

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

1964773746 is a wasteful number, since it uses less digits than its factorization.

1964773746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932968 (or 932959 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 1964773746 is about 44325.7684197353. The cubic root of 1964773746 is about 1252.4801416766.

The spelling of 1964773746 in words is "one billion, nine hundred sixty-four million, seven hundred seventy-three thousand, seven hundred forty-six".