74454031 has 2 divisors, whose sum is σ = 74454032. Its totient is φ = 74454030.

The previous prime is 74454019. The next prime is 74454053. The reversal of 74454031 is 13045447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74454031 - 2²³ = 66065423 is a prime.

It is a super-2 number, since 2×74454031² = 11086805464297922, which contains 22 as substring.

It is equal to p_4364209 and since 74454031 and 4364209 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74454001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37227015 + 37227016.

It is an arithmetic number, because the mean of its divisors is an integer number (37227016).

Almost surely, 2^74454031 is an apocalyptic number.

74454031 is a deficient number, since it is larger than the sum of its proper divisors (1).

74454031 is an equidigital number, since it uses as much as digits as its factorization.

74454031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 74454031 is about 8628.6749272411. The cubic root of 74454031 is about 420.6905326120.

Adding to 74454031 its reverse (13045447), we get a palindrome (87499478).

It can be divided in two parts, 7445 and 4031, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 74454031 in words is "seventy-four million, four hundred fifty-four thousand, thirty-one".