74148077 has 4 divisors (see below), whose sum is σ = 74458560. Its totient is φ = 73837596.

The previous prime is 74148059. The next prime is 74148103. The reversal of 74148077 is 77084147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74148077 - 2¹⁴ = 74131693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74148077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74148017) 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, 154883 + ... + 155360.

It is an arithmetic number, because the mean of its divisors is an integer number (18614640).

Almost surely, 2^74148077 is an apocalyptic number.

It is an amenable number.

74148077 is a deficient number, since it is larger than the sum of its proper divisors (310483).

74148077 is a wasteful number, since it uses less digits than its factorization.

74148077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310482.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 74148077 is about 8610.9277665069. The cubic root of 74148077 is about 420.1134935162.

The spelling of 74148077 in words is "seventy-four million, one hundred forty-eight thousand, seventy-seven".