74452455 has 48 divisors (see below), whose sum is σ = 160902144. Its totient is φ = 30939840.

The previous prime is 74452451. The next prime is 74452457. The reversal of 74452455 is 55425447.

It is a happy number.

It is not a de Polignac number, because 74452455 - 2² = 74452451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74452451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7279 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (3352128).

Almost surely, 2^74452455 is an apocalyptic number.

74452455 is an abundant number, since it is smaller than the sum of its proper divisors (86449689).

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

74452455 is a wasteful number, since it uses less digits than its factorization.

74452455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21516 (or 21513 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 74452455 is about 8628.5836033500. The cubic root of 74452455 is about 420.6875642795.

The spelling of 74452455 in words is "seventy-four million, four hundred fifty-two thousand, four hundred fifty-five".