7621994 has 8 divisors (see below), whose sum is σ = 11452320. Its totient is φ = 3804556.

The previous prime is 7621981. The next prime is 7621997. The reversal of 7621994 is 4991267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7621997) 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, 1574 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (1431540).

Almost surely, 2^7621994 is an apocalyptic number.

7621994 is a deficient number, since it is larger than the sum of its proper divisors (3830326).

7621994 is a wasteful number, since it uses less digits than its factorization.

7621994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444.

The product of its digits is 27216, while the sum is 38.

The square root of 7621994 is about 2760.7958997362. The cubic root of 7621994 is about 196.7989910330.

The spelling of 7621994 in words is "seven million, six hundred twenty-one thousand, nine hundred ninety-four".