74756461 has 16 divisors (see below), whose sum is σ = 85075200. Its totient is φ = 65193408.

The previous prime is 74756459. The next prime is 74756491. The reversal of 74756461 is 16465747.

It is a cyclic number.

It is not a de Polignac number, because 74756461 - 2¹ = 74756459 is a prime.

It is a super-3 number, since 3×74756461³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74756401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15610 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (5317200).

Almost surely, 2^74756461 is an apocalyptic number.

It is an amenable number.

74756461 is a deficient number, since it is larger than the sum of its proper divisors (10318739).

74756461 is a wasteful number, since it uses less digits than its factorization.

74756461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its digits is 141120, while the sum is 40.

The square root of 74756461 is about 8646.1818740991. The cubic root of 74756461 is about 421.2593737990.

The spelling of 74756461 in words is "seventy-four million, seven hundred fifty-six thousand, four hundred sixty-one".