74985699 has 4 divisors (see below), whose sum is σ = 99980936. Its totient is φ = 49990464.

The previous prime is 74985689. The next prime is 74985709. The reversal of 74985699 is 99658947.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (74985689) and next prime (74985709).

It is not a de Polignac number, because 74985699 - 2¹⁶ = 74920163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74985629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12497614 + ... + 12497619.

It is an arithmetic number, because the mean of its divisors is an integer number (24995234).

Almost surely, 2^74985699 is an apocalyptic number.

74985699 is a deficient number, since it is larger than the sum of its proper divisors (24995237).

74985699 is a wasteful number, since it uses less digits than its factorization.

74985699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995236.

The product of its digits is 4898880, while the sum is 57.

The square root of 74985699 is about 8659.4283298610. The cubic root of 74985699 is about 421.6895266569.

The spelling of 74985699 in words is "seventy-four million, nine hundred eighty-five thousand, six hundred ninety-nine".