74997999 has 12 divisors (see below), whose sum is σ = 114703056. Its totient is φ = 47057472.

The previous prime is 74997983. The next prime is 74998003. The reversal of 74997999 is 99979947.

It is not a de Polignac number, because 74997999 - 2⁴ = 74997983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74997919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244939 + ... + 245244.

It is an arithmetic number, because the mean of its divisors is an integer number (9558588).

Almost surely, 2^74997999 is an apocalyptic number.

74997999 is a deficient number, since it is larger than the sum of its proper divisors (39705057).

74997999 is a wasteful number, since it uses less digits than its factorization.

74997999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490206 (or 490203 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 63.

The square root of 74997999 is about 8660.1385092849. The cubic root of 74997999 is about 421.7125821536.

The spelling of 74997999 in words is "seventy-four million, nine hundred ninety-seven thousand, nine hundred ninety-nine".