74006733397 has 2 divisors, whose sum is σ = 74006733398. Its totient is φ = 74006733396.

The previous prime is 74006733341. The next prime is 74006733401. The reversal of 74006733397 is 79333760047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74006305681 + 427716 = 272041^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 74006733397 - 2²³ = 73998344789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74006733397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74006733337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37003366698 + 37003366699.

It is an arithmetic number, because the mean of its divisors is an integer number (37003366699).

Almost surely, 2^74006733397 is an apocalyptic number.

It is an amenable number.

74006733397 is a deficient number, since it is larger than the sum of its proper divisors (1).

74006733397 is an equidigital number, since it uses as much as digits as its factorization.

74006733397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000376, while the sum is 49.

The spelling of 74006733397 in words is "seventy-four billion, six million, seven hundred thirty-three thousand, three hundred ninety-seven".