74406053 has 4 divisors (see below), whose sum is σ = 75425388. Its totient is φ = 73386720.

The previous prime is 74406049. The next prime is 74406061. The reversal of 74406053 is 35060447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35060447 = 131 ⋅267637.

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 13675204 = 7793^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 74406053 - 2² = 74406049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74406043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509558 + ... + 509703.

It is an arithmetic number, because the mean of its divisors is an integer number (18856347).

Almost surely, 2^74406053 is an apocalyptic number.

74406053 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

74406053 is a deficient number, since it is larger than the sum of its proper divisors (1019335).

74406053 is a wasteful number, since it uses less digits than its factorization.

74406053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019334.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 74406053 is about 8625.8943304448. The cubic root of 74406053 is about 420.6001492030.

The spelling of 74406053 in words is "seventy-four million, four hundred six thousand, fifty-three".