74356013 has 2 divisors, whose sum is σ = 74356014. Its totient is φ = 74356012.

The previous prime is 74355961. The next prime is 74356027. The reversal of 74356013 is 31065347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 15342889 = 7682^2 + 3917^2 .

It is a cyclic number.

It is not a de Polignac number, because 74356013 - 2¹² = 74351917 is a prime.

It is a super-3 number, since 3×74356013³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74356043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37178006 + 37178007.

It is an arithmetic number, because the mean of its divisors is an integer number (37178007).

Almost surely, 2^74356013 is an apocalyptic number.

It is an amenable number.

74356013 is a deficient number, since it is larger than the sum of its proper divisors (1).

74356013 is an equidigital number, since it uses as much as digits as its factorization.

74356013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 74356013 is about 8622.9932738000. The cubic root of 74356013 is about 420.5058398891.

The spelling of 74356013 in words is "seventy-four million, three hundred fifty-six thousand, thirteen".