74475491 has 2 divisors, whose sum is σ = 74475492. Its totient is φ = 74475490.

The previous prime is 74475473. The next prime is 74475539. The reversal of 74475491 is 19457447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74475491 - 2¹⁴ = 74459107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74475431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237745 + 37237746.

It is an arithmetic number, because the mean of its divisors is an integer number (37237746).

Almost surely, 2^74475491 is an apocalyptic number.

74475491 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475491 is an equidigital number, since it uses as much as digits as its factorization.

74475491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 74475491 is about 8629.9183657784. The cubic root of 74475491 is about 420.7309474893.

The spelling of 74475491 in words is "seventy-four million, four hundred seventy-five thousand, four hundred ninety-one".