2547736972 has 24 divisors (see below), whose sum is σ = 4995320400. Its totient is φ = 1126762560.

The previous prime is 2547736957. The next prime is 2547736991. The reversal of 2547736972 is 2796377452.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780847 + ... + 784102.

It is an arithmetic number, because the mean of its divisors is an integer number (208138350).

Almost surely, 2^2547736972 is an apocalyptic number.

2547736972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2547736972 is a deficient number, since it is larger than the sum of its proper divisors (2447583428).

2547736972 is a wasteful number, since it uses less digits than its factorization.

2547736972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565001 (or 1564999 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 52.

The square root of 2547736972 is about 50475.1124020541. The cubic root of 2547736972 is about 1365.7929390815.

The spelling of 2547736972 in words is "two billion, five hundred forty-seven million, seven hundred thirty-six thousand, nine hundred seventy-two".