74704051 has 4 divisors (see below), whose sum is σ = 74853072. Its totient is φ = 74555032.

The previous prime is 74704033. The next prime is 74704057. The reversal of 74704051 is 15040747.

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

It is a cyclic number.

It is not a de Polignac number, because 74704051 - 2²³ = 66315443 is a prime.

It is a super-3 number, since 3×74704051³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74704057) 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, 73756 + ... + 74761.

It is an arithmetic number, because the mean of its divisors is an integer number (18713268).

Almost surely, 2^74704051 is an apocalyptic number.

74704051 is a deficient number, since it is larger than the sum of its proper divisors (149021).

74704051 is a wasteful number, since it uses less digits than its factorization.

74704051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149020.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 74704051 is about 8643.1505251268. The cubic root of 74704051 is about 421.1609057647.

Adding to 74704051 its reverse (15040747), we get a palindrome (89744798).

The spelling of 74704051 in words is "seventy-four million, seven hundred four thousand, fifty-one".