74499967 has 8 divisors (see below), whose sum is σ = 82312416. Its totient is φ = 67068672.

The previous prime is 74499917. The next prime is 74499989. The reversal of 74499967 is 76999447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74499967 - 2⁷ = 74499839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74499917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94878 + ... + 95659.

It is an arithmetic number, because the mean of its divisors is an integer number (10289052).

Almost surely, 2^74499967 is an apocalyptic number.

74499967 is a deficient number, since it is larger than the sum of its proper divisors (7812449).

74499967 is a wasteful number, since it uses less digits than its factorization.

74499967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190577.

The product of its digits is 3429216, while the sum is 55.

The square root of 74499967 is about 8631.3363391771. The cubic root of 74499967 is about 420.7770328194. Note that the first 3 decimals are identical.

It can be divided in two parts, 74499 and 967, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 74499967 in words is "seventy-four million, four hundred ninety-nine thousand, nine hundred sixty-seven".