74102 has 16 divisors (see below), whose sum is σ = 130560. Its totient is φ = 30888.

The previous prime is 74101. The next prime is 74131. The reversal of 74102 is 20147.

Added to its reverse (20147) it gives a square (94249 = 307²).

It is a happy number.

It is a super-2 number, since 2×74102² = 10982212808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74101) 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, 899 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (8160).

2⁷⁴¹⁰² is an apocalyptic number.

74102 is a deficient number, since it is larger than the sum of its proper divisors (56458).

74102 is a wasteful number, since it uses less digits than its factorization.

74102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 74102 is about 272.2168253433. The cubic root of 74102 is about 42.0026453360.

Subtracting from 74102 its sum of digits (14), we obtain a cube (74088 = 42³).

Adding to 74102 its reverse (20147), we get a palindrome (94249).

The spelling of 74102 in words is "seventy-four thousand, one hundred two", and thus it is an iban number.