74554546 has 16 divisors (see below), whose sum is σ = 127303488. Its totient is φ = 32414800.

The previous prime is 74554541. The next prime is 74554547. The reversal of 74554546 is 64545547.

It is a happy number.

It is a super-2 number, since 2×74554546² = 11116760658532232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74554499 and 74554508.

It is not an unprimeable number, because it can be changed into a prime (74554541) 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 7 ways as a sum of consecutive naturals, for example, 73165 + ... + 74176.

It is an arithmetic number, because the mean of its divisors is an integer number (7956468).

Almost surely, 2^74554546 is an apocalyptic number.

74554546 is a deficient number, since it is larger than the sum of its proper divisors (52748942).

74554546 is a wasteful number, since it uses less digits than its factorization.

74554546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147377.

The product of its digits is 336000, while the sum is 40.

The square root of 74554546 is about 8634.4974376046. The cubic root of 74554546 is about 420.8797620986.

The spelling of 74554546 in words is "seventy-four million, five hundred fifty-four thousand, five hundred forty-six".