1973496756 has 144 divisors (see below), whose sum is σ = 5865108480. Its totient is φ = 510713280.

The previous prime is 1973496743. The next prime is 1973496773. The reversal of 1973496756 is 6576943791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1973496696 and 1973496705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2994355 + ... + 2995013.

It is an arithmetic number, because the mean of its divisors is an integer number (40729920).

Almost surely, 2^1973496756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973496756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2932554240).

1973496756 is an abundant number, since it is smaller than the sum of its proper divisors (3891611724).

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

1973496756 is a wasteful number, since it uses less digits than its factorization.

1973496756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1145 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 57.

The square root of 1973496756 is about 44424.0560507480. The cubic root of 1973496756 is about 1254.3309515697.

The spelling of 1973496756 in words is "one billion, nine hundred seventy-three million, four hundred ninety-six thousand, seven hundred fifty-six".