74928453 has 8 divisors (see below), whose sum is σ = 100821600. Its totient is φ = 49493808.

The previous prime is 74928449. The next prime is 74928461. The reversal of 74928453 is 35482947.

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

It is not a de Polignac number, because 74928453 - 2² = 74928449 is a prime.

It is a super-3 number, since 3×74928453³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74928253) 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, 114243 + ... + 114896.

It is an arithmetic number, because the mean of its divisors is an integer number (12602700).

Almost surely, 2^74928453 is an apocalyptic number.

It is an amenable number.

74928453 is a deficient number, since it is larger than the sum of its proper divisors (25893147).

74928453 is a wasteful number, since it uses less digits than its factorization.

74928453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229251.

The product of its digits is 241920, while the sum is 42.

The square root of 74928453 is about 8656.1222842564. The cubic root of 74928453 is about 421.5821898153.

The spelling of 74928453 in words is "seventy-four million, nine hundred twenty-eight thousand, four hundred fifty-three".