74527969 has 2 divisors, whose sum is σ = 74527970. Its totient is φ = 74527968.

The previous prime is 74527967. The next prime is 74528021. The reversal of 74527969 is 96972547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52012944 + 22515025 = 7212^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 74527969 - 2¹ = 74527967 is a prime.

It is a super-2 number, since 2×74527969² = 11108836326529922, which contains 22 as substring.

Together with 74527967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74527967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37263984 + 37263985.

It is an arithmetic number, because the mean of its divisors is an integer number (37263985).

Almost surely, 2^74527969 is an apocalyptic number.

It is an amenable number.

74527969 is a deficient number, since it is larger than the sum of its proper divisors (1).

74527969 is an equidigital number, since it uses as much as digits as its factorization.

74527969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 74527969 is about 8632.9582994475. The cubic root of 74527969 is about 420.8297448005.

The spelling of 74527969 in words is "seventy-four million, five hundred twenty-seven thousand, nine hundred sixty-nine".