74420453 has 8 divisors (see below), whose sum is σ = 76352640. Its totient is φ = 72493920.

The previous prime is 74420443. The next prime is 74420459. The reversal of 74420453 is 35402447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74420453 - 2⁶ = 74420389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74420459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41726 + ... + 43472.

It is an arithmetic number, because the mean of its divisors is an integer number (9544080).

Almost surely, 2^74420453 is an apocalyptic number.

It is an amenable number.

74420453 is a deficient number, since it is larger than the sum of its proper divisors (1932187).

74420453 is a wasteful number, since it uses less digits than its factorization.

74420453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 74420453 is about 8626.7289861221. The cubic root of 74420453 is about 420.6272807388.

The spelling of 74420453 in words is "seventy-four million, four hundred twenty thousand, four hundred fifty-three".