74261331 has 12 divisors (see below), whose sum is σ = 110165952. Its totient is φ = 48169296.

The previous prime is 74261311. The next prime is 74261351. The reversal of 74261331 is 13316247.

74261331 = T₁₉₈₅ + T₁₉₈₆ + ... + T₂₀₂₁.

74261331 is a `hidden beast` number, since 7 + 42 + 613 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (74261311) and next prime (74261351).

It is not a de Polignac number, because 74261331 - 2⁷ = 74261203 is a prime.

It is a super-2 number, since 2×74261331² = 11029490563783122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74261295 and 74261304.

It is not an unprimeable number, because it can be changed into a prime (74261311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111171 + ... + 111836.

It is an arithmetic number, because the mean of its divisors is an integer number (9180496).

Almost surely, 2^74261331 is an apocalyptic number.

74261331 is a deficient number, since it is larger than the sum of its proper divisors (35904621).

74261331 is a wasteful number, since it uses less digits than its factorization.

74261331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223050 (or 223047 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 74261331 is about 8617.5014360312. The cubic root of 74261331 is about 420.3272789200.

Adding to 74261331 its reverse (13316247), we get a palindrome (87577578).

The spelling of 74261331 in words is "seventy-four million, two hundred sixty-one thousand, three hundred thirty-one".