747464561 has 2 divisors, whose sum is σ = 747464562. Its totient is φ = 747464560.

The previous prime is 747464533. The next prime is 747464567. The reversal of 747464561 is 165464747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491464561 + 256000000 = 22169^2 + 16000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747464561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (747464567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373732280 + 373732281.

It is an arithmetic number, because the mean of its divisors is an integer number (373732281).

Almost surely, 2^747464561 is an apocalyptic number.

It is an amenable number.

747464561 is a deficient number, since it is larger than the sum of its proper divisors (1).

747464561 is an equidigital number, since it uses as much as digits as its factorization.

747464561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 747464561 is about 27339.7981155677. The cubic root of 747464561 is about 907.5353186678.

The spelling of 747464561 in words is "seven hundred forty-seven million, four hundred sixty-four thousand, five hundred sixty-one".