4672157761 has 2 divisors, whose sum is σ = 4672157762. Its totient is φ = 4672157760.

The previous prime is 4672157729. The next prime is 4672157807. The reversal of 4672157761 is 1677512764.

It is an a-pointer prime, because the next prime (4672157807) can be obtained adding 4672157761 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2802114225 + 1870043536 = 52935^2 + 43244^2 .

It is a cyclic number.

It is not a de Polignac number, because 4672157761 - 2⁵ = 4672157729 is a prime.

It is not a weakly prime, because it can be changed into another prime (4672157701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336078880 + 2336078881.

It is an arithmetic number, because the mean of its divisors is an integer number (2336078881).

Almost surely, 2^4672157761 is an apocalyptic number.

It is an amenable number.

4672157761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4672157761 is an equidigital number, since it uses as much as digits as its factorization.

4672157761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 4672157761 is about 68353.1839858247. The cubic root of 4672157761 is about 1671.7544950282.

The spelling of 4672157761 in words is "four billion, six hundred seventy-two million, one hundred fifty-seven thousand, seven hundred sixty-one".