74472353 has 4 divisors (see below), whose sum is σ = 74513988. Its totient is φ = 74430720.

The previous prime is 74472347. The next prime is 74472361. The reversal of 74472353 is 35327447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35327447 = 521 ⋅67807.

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 70677649 = 1948^2 + 8407^2 .

It is a cyclic number.

It is not a de Polignac number, because 74472353 - 2⁶ = 74472289 is a prime.

It is a super-2 number, since 2×74472353² = 11092262722713218, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74472373) 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, 18008 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (18628497).

Almost surely, 2^74472353 is an apocalyptic number.

It is an amenable number.

74472353 is a deficient number, since it is larger than the sum of its proper divisors (41635).

74472353 is a wasteful number, since it uses less digits than its factorization.

74472353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41634.

The product of its digits is 70560, while the sum is 35.

The square root of 74472353 is about 8629.7365544957. The cubic root of 74472353 is about 420.7250382869.

The spelling of 74472353 in words is "seventy-four million, four hundred seventy-two thousand, three hundred fifty-three".