74546047 has 8 divisors (see below), whose sum is σ = 76541696. Its totient is φ = 72562392.

The previous prime is 74546039. The next prime is 74546099. The reversal of 74546047 is 74064547.

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 74546047 - 2³ = 74546039 is a prime.

It is a super-2 number, since 2×74546047² = 11114226246652418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74545997 and 74546015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74546027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378 + ... + 16024.

It is an arithmetic number, because the mean of its divisors is an integer number (9567712).

Almost surely, 2^74546047 is an apocalyptic number.

74546047 is a deficient number, since it is larger than the sum of its proper divisors (1995649).

74546047 is a wasteful number, since it uses less digits than its factorization.

74546047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 74546047 is about 8634.0052698617. The cubic root of 74546047 is about 420.8637684706.

It can be divided in two parts, 74 and 546047, that added together give a square (546121 = 739²).

The spelling of 74546047 in words is "seventy-four million, five hundred forty-six thousand, forty-seven".