74329397 has 2 divisors, whose sum is σ = 74329398. Its totient is φ = 74329396.

The previous prime is 74329393. The next prime is 74329427. The reversal of 74329397 is 79392347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 7187761 = 8194^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 74329397 - 2² = 74329393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74329393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37164698 + 37164699.

It is an arithmetic number, because the mean of its divisors is an integer number (37164699).

Almost surely, 2^74329397 is an apocalyptic number.

It is an amenable number.

74329397 is a deficient number, since it is larger than the sum of its proper divisors (1).

74329397 is an equidigital number, since it uses as much as digits as its factorization.

74329397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 44.

The square root of 74329397 is about 8621.4498200709. The cubic root of 74329397 is about 420.4556600464.

The spelling of 74329397 in words is "seventy-four million, three hundred twenty-nine thousand, three hundred ninety-seven".