74420454 has 16 divisors (see below), whose sum is σ = 156674880. Its totient is φ = 23501160.

The previous prime is 74420443. The next prime is 74420459. The reversal of 74420454 is 45402447.

It is a super-2 number, since 2×74420454² = 11076807947132232, which contains 22 as substring.

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, 326292 + ... + 326519.

It is an arithmetic number, because the mean of its divisors is an integer number (9792180).

Almost surely, 2^74420454 is an apocalyptic number.

74420454 is an abundant number, since it is smaller than the sum of its proper divisors (82254426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74420454 is a wasteful number, since it uses less digits than its factorization.

74420454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652835.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 74420454 is about 8626.7290440815. The cubic root of 74420454 is about 420.6272826228.

The spelling of 74420454 in words is "seventy-four million, four hundred twenty thousand, four hundred fifty-four".