1964773752 has 16 divisors (see below), whose sum is σ = 4911934440. Its totient is φ = 654924576.

The previous prime is 1964773729. The next prime is 1964773753. The reversal of 1964773752 is 2573774691.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1964773695 and 1964773704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964773753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40932763 + ... + 40932810.

Almost surely, 2^1964773752 is an apocalyptic number.

1964773752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1964773752 is an abundant number, since it is smaller than the sum of its proper divisors (2947160688).

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

1964773752 is a wasteful number, since it uses less digits than its factorization.

1964773752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81865582 (or 81865578 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 51.

The square root of 1964773752 is about 44325.7684874160. The cubic root of 1964773752 is about 1252.4801429516.

The spelling of 1964773752 in words is "one billion, nine hundred sixty-four million, seven hundred seventy-three thousand, seven hundred fifty-two".