74373493 has 2 divisors, whose sum is σ = 74373494. Its totient is φ = 74373492.

The previous prime is 74373463. The next prime is 74373517. The reversal of 74373493 is 39437347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 6360484 = 8247^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 74373493 - 2⁵ = 74373461 is a prime.

It is a super-2 number, since 2×74373493² = 11062832922042098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74373413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37186746 + 37186747.

It is an arithmetic number, because the mean of its divisors is an integer number (37186747).

Almost surely, 2^74373493 is an apocalyptic number.

It is an amenable number.

74373493 is a deficient number, since it is larger than the sum of its proper divisors (1).

74373493 is an equidigital number, since it uses as much as digits as its factorization.

74373493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 40.

The square root of 74373493 is about 8624.0067833925. The cubic root of 74373493 is about 420.5387888773.

The spelling of 74373493 in words is "seventy-four million, three hundred seventy-three thousand, four hundred ninety-three".