74124971 has 2 divisors, whose sum is σ = 74124972. Its totient is φ = 74124970.

The previous prime is 74124959. The next prime is 74125001. The reversal of 74124971 is 17942147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74124971 - 2⁶ = 74124907 is a prime.

It is a super-2 number, since 2×74124971² = 10989022651501682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74127971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37062485 + 37062486.

It is an arithmetic number, because the mean of its divisors is an integer number (37062486).

Almost surely, 2^74124971 is an apocalyptic number.

74124971 is a deficient number, since it is larger than the sum of its proper divisors (1).

74124971 is an equidigital number, since it uses as much as digits as its factorization.

74124971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 74124971 is about 8609.5859946922. The cubic root of 74124971 is about 420.0698504384.

The spelling of 74124971 in words is "seventy-four million, one hundred twenty-four thousand, nine hundred seventy-one".