74199077 has 8 divisors (see below), whose sum is σ = 75164760. Its totient is φ = 73239040.

The previous prime is 74199031. The next prime is 74199079. The reversal of 74199077 is 77099147.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12952801 + 61246276 = 3599^2 + 7826^2 .

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 74199077 - 2⁸ = 74198821 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 (74199079) 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, 29177 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (9395595).

Almost surely, 2^74199077 is an apocalyptic number.

It is an amenable number.

74199077 is a deficient number, since it is larger than the sum of its proper divisors (965683).

74199077 is a wasteful number, since it uses less digits than its factorization.

74199077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 74199077 is about 8613.8886108424. Note that the first 3 decimals coincide. The cubic root of 74199077 is about 420.2097912607.

The spelling of 74199077 in words is "seventy-four million, one hundred ninety-nine thousand, seventy-seven".