74497843 has 8 divisors (see below), whose sum is σ = 86018912. Its totient is φ = 63196416.

The previous prime is 74497837. The next prime is 74497847. The reversal of 74497843 is 34879447.

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 74497843 - 2⁵ = 74497811 is a prime.

It is a super-2 number, since 2×74497843² = 11099857223305298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74497793 and 74497802.

It is not an unprimeable number, because it can be changed into a prime (74497847) 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, 54180 + ... + 55537.

It is an arithmetic number, because the mean of its divisors is an integer number (10752364).

Almost surely, 2^74497843 is an apocalyptic number.

74497843 is a deficient number, since it is larger than the sum of its proper divisors (11521069).

74497843 is a wasteful number, since it uses less digits than its factorization.

74497843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109821.

The product of its digits is 677376, while the sum is 46.

The square root of 74497843 is about 8631.2132982565. The cubic root of 74497843 is about 420.7730339858.

The spelling of 74497843 in words is "seventy-four million, four hundred ninety-seven thousand, eight hundred forty-three".