2972491776 has 224 divisors, whose sum is σ = 8964777600. Its totient is φ = 973209600.

The previous prime is 2972491757. The next prime is 2972491777. The reversal of 2972491776 is 6771942792.

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

It is not an unprimeable number, because it can be changed into a prime (2972491777) 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, 19685301 + ... + 19685451.

Almost surely, 2^2972491776 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 2972491776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482388800).

2972491776 is an abundant number, since it is smaller than the sum of its proper divisors (5992285824).

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

2972491776 is an equidigital number, since it uses as much as digits as its factorization.

2972491776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 245 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 2972491776 is about 54520.5628731032. The cubic root of 2972491776 is about 1437.8278361644.

The spelling of 2972491776 in words is "two billion, nine hundred seventy-two million, four hundred ninety-one thousand, seven hundred seventy-six".