74007937909 has 2 divisors, whose sum is σ = 74007937910. Its totient is φ = 74007937908.

The previous prime is 74007937901. The next prime is 74007937957. The reversal of 74007937909 is 90973970047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55707800625 + 18300137284 = 236025^2 + 135278^2 .

It is an emirp because it is prime and its reverse (90973970047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74007937909 - 2³ = 74007937901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74007937909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74007937901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37003968954 + 37003968955.

It is an arithmetic number, because the mean of its divisors is an integer number (37003968955).

Almost surely, 2^74007937909 is an apocalyptic number.

It is an amenable number.

74007937909 is a deficient number, since it is larger than the sum of its proper divisors (1).

74007937909 is an equidigital number, since it uses as much as digits as its factorization.

74007937909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The spelling of 74007937909 in words is "seventy-four billion, seven million, nine hundred thirty-seven thousand, nine hundred nine".