74899999 has 8 divisors (see below), whose sum is σ = 78962688. Its totient is φ = 70940280.

The previous prime is 74899939. The next prime is 74900003. The reversal of 74899999 is 99999847.

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

It is a cyclic number.

It is not a de Polignac number, because 74899999 - 2¹³ = 74891807 is a prime.

It is a super-2 number, since 2×74899999² = 11220019700400002, which contains 22 as substring.

It is a Duffinian number.

74899999 is a modest number, since divided by 9999 gives 7489 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 74899999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74899939) 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, 24247 + ... + 27160.

It is an arithmetic number, because the mean of its divisors is an integer number (9870336).

Almost surely, 2^74899999 is an apocalyptic number.

74899999 is a deficient number, since it is larger than the sum of its proper divisors (4062689).

74899999 is a wasteful number, since it uses less digits than its factorization.

74899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51485.

The product of its digits is 13226976, while the sum is 64.

The square root of 74899999 is about 8654.4785515940. The cubic root of 74899999 is about 421.5288179300.

The spelling of 74899999 in words is "seventy-four million, eight hundred ninety-nine thousand, nine hundred ninety-nine".