7380129 has 4 divisors (see below), whose sum is σ = 9840176. Its totient is φ = 4920084.

The previous prime is 7380103. The next prime is 7380157. The reversal of 7380129 is 9210837.

It is a happy number.

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 not a de Polignac number, because 7380129 - 2⁸ = 7379873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7380096 and 7380105.

It is not an unprimeable number, because it can be changed into a prime (7380179) 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, 1230019 + ... + 1230024.

It is an arithmetic number, because the mean of its divisors is an integer number (2460044).

Almost surely, 2^7380129 is an apocalyptic number.

It is an amenable number.

7380129 is a deficient number, since it is larger than the sum of its proper divisors (2460047).

7380129 is a wasteful number, since it uses less digits than its factorization.

7380129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460046.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7380129 is about 2716.6392841156. The cubic root of 7380129 is about 194.6949339047.

The spelling of 7380129 in words is "seven million, three hundred eighty thousand, one hundred twenty-nine".