7630091 has 4 divisors (see below), whose sum is σ = 8720112. Its totient is φ = 6540072.

The previous prime is 7630087. The next prime is 7630111. The reversal of 7630091 is 1900367.

It is a happy number.

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

It is not a de Polignac number, because 7630091 - 2² = 7630087 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 7630091.

It is not an unprimeable number, because it can be changed into a prime (7630081) 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, 545000 + ... + 545013.

It is an arithmetic number, because the mean of its divisors is an integer number (2180028).

Almost surely, 2^7630091 is an apocalyptic number.

7630091 is a deficient number, since it is larger than the sum of its proper divisors (1090021).

7630091 is a wasteful number, since it uses less digits than its factorization.

7630091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090020.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 7630091 is about 2762.2619354435. The cubic root of 7630091 is about 196.8686542340.

The spelling of 7630091 in words is "seven million, six hundred thirty thousand, ninety-one".