7546400761 has 2 divisors, whose sum is σ = 7546400762. Its totient is φ = 7546400760.

The previous prime is 7546400747. The next prime is 7546400777. The reversal of 7546400761 is 1670046457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6697785600 + 848615161 = 81840^2 + 29131^2 .

It is a cyclic number.

It is not a de Polignac number, because 7546400761 - 2¹⁵ = 7546367993 is a prime.

It is not a weakly prime, because it can be changed into another prime (7546400261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3773200380 + 3773200381.

It is an arithmetic number, because the mean of its divisors is an integer number (3773200381).

Almost surely, 2^7546400761 is an apocalyptic number.

It is an amenable number.

7546400761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7546400761 is an equidigital number, since it uses as much as digits as its factorization.

7546400761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 7546400761 is about 86870.0222228589. The cubic root of 7546400761 is about 1961.4622540378.

The spelling of 7546400761 in words is "seven billion, five hundred forty-six million, four hundred thousand, seven hundred sixty-one".