74102077 has 4 divisors (see below), whose sum is σ = 84688096. Its totient is φ = 63516060.

The previous prime is 74102057. The next prime is 74102089. The reversal of 74102077 is 77020147.

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 74102077 - 2⁷ = 74101949 is a prime.

It is a super-2 number, since 2×74102077² = 10982235631427858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74102027) 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, 5292999 + ... + 5293012.

It is an arithmetic number, because the mean of its divisors is an integer number (21172024).

Almost surely, 2^74102077 is an apocalyptic number.

It is an amenable number.

74102077 is a deficient number, since it is larger than the sum of its proper divisors (10586019).

74102077 is a wasteful number, since it uses less digits than its factorization.

74102077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586018.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 74102077 is about 8608.2563275033. The cubic root of 74102077 is about 420.0265988445.

The spelling of 74102077 in words is "seventy-four million, one hundred two thousand, seventy-seven".