74738454 has 32 divisors (see below), whose sum is σ = 178260480. Its totient is φ = 20425152.

The previous prime is 74738401. The next prime is 74738459. The reversal of 74738454 is 45483747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74738459) 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 15 ways as a sum of consecutive naturals, for example, 37719 + ... + 39650.

It is an arithmetic number, because the mean of its divisors is an integer number (5570640).

Almost surely, 2^74738454 is an apocalyptic number.

74738454 is an abundant number, since it is smaller than the sum of its proper divisors (103522026).

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

74738454 is a wasteful number, since it uses less digits than its factorization.

74738454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77404.

The product of its digits is 376320, while the sum is 42.

The square root of 74738454 is about 8645.1404846885. The cubic root of 74738454 is about 421.2255473953.

The spelling of 74738454 in words is "seventy-four million, seven hundred thirty-eight thousand, four hundred fifty-four".