74556001 has 16 divisors (see below), whose sum is σ = 82328400. Its totient is φ = 67092480.

The previous prime is 74555993. The next prime is 74556007. The reversal of 74556001 is 10065547.

It can be written as a sum of positive squares in 8 ways, for example, as 853776 + 73702225 = 924^2 + 8585^2 .

It is not a de Polignac number, because 74556001 - 2³ = 74555993 is a prime.

It is a super-2 number, since 2×74556001² = 11117194570224002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74556007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165825 + ... + 166273.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^74556001 is an apocalyptic number.

It is an amenable number.

74556001 is a deficient number, since it is larger than the sum of its proper divisors (7772399).

74556001 is a wasteful number, since it uses less digits than its factorization.

74556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 74556001 is about 8634.5816922420. The cubic root of 74556001 is about 420.8825000317.

It can be divided in two parts, 7455 and 6001, that added together give a square (13456 = 116²).

The spelling of 74556001 in words is "seventy-four million, five hundred fifty-six thousand, one".