74770541 has 2 divisors, whose sum is σ = 74770542. Its totient is φ = 74770540.

The previous prime is 74770537. The next prime is 74770559. The reversal of 74770541 is 14507747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 448900 = 8621^2 + 670^2 .

It is an emirp because it is prime and its reverse (14507747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74770541 - 2² = 74770537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74770141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37385270 + 37385271.

It is an arithmetic number, because the mean of its divisors is an integer number (37385271).

Almost surely, 2^74770541 is an apocalyptic number.

It is an amenable number.

74770541 is a deficient number, since it is larger than the sum of its proper divisors (1).

74770541 is an equidigital number, since it uses as much as digits as its factorization.

74770541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 74770541 is about 8646.9960679996. The cubic root of 74770541 is about 421.2858194937.

The spelling of 74770541 in words is "seventy-four million, seven hundred seventy thousand, five hundred forty-one".