74890461 has 8 divisors (see below), whose sum is σ = 104195520. Its totient is φ = 47756192.

The previous prime is 74890447. The next prime is 74890483. The reversal of 74890461 is 16409847.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74890461 - 2⁵ = 74890429 is a prime.

It is a super-2 number, since 2×74890461² = 11217162297585042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74890261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542616 + ... + 542753.

It is an arithmetic number, because the mean of its divisors is an integer number (13024440).

Almost surely, 2^74890461 is an apocalyptic number.

It is an amenable number.

74890461 is a deficient number, since it is larger than the sum of its proper divisors (29305059).

74890461 is a wasteful number, since it uses less digits than its factorization.

74890461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085395.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 74890461 is about 8653.9274898742. The cubic root of 74890461 is about 421.5109242380.

The spelling of 74890461 in words is "seventy-four million, eight hundred ninety thousand, four hundred sixty-one".