2467750721 has 2 divisors, whose sum is σ = 2467750722. Its totient is φ = 2467750720.

The previous prime is 2467750687. The next prime is 2467750757. The reversal of 2467750721 is 1270577642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416694321 + 1051056400 = 37639^2 + 32420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2467750721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2467750121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233875360 + 1233875361.

It is an arithmetic number, because the mean of its divisors is an integer number (1233875361).

Almost surely, 2^2467750721 is an apocalyptic number.

It is an amenable number.

2467750721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2467750721 is an equidigital number, since it uses as much as digits as its factorization.

2467750721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 2467750721 is about 49676.4604314760. The cubic root of 2467750721 is about 1351.3476658307.

The spelling of 2467750721 in words is "two billion, four hundred sixty-seven million, seven hundred fifty thousand, seven hundred twenty-one".