7620043 has 8 divisors (see below), whose sum is σ = 7757568. Its totient is φ = 7483944.

The previous prime is 7620023. The next prime is 7620049. The reversal of 7620043 is 3400267.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7620043 is a prime.

It is a Duffinian number.

7620043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7619996 and 7620023.

It is not an unprimeable number, because it can be changed into a prime (7620049) 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, 16980 + ... + 17422.

It is an arithmetic number, because the mean of its divisors is an integer number (969696).

Almost surely, 2^7620043 is an apocalyptic number.

7620043 is a deficient number, since it is larger than the sum of its proper divisors (137525).

7620043 is a wasteful number, since it uses less digits than its factorization.

7620043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7620043 is about 2760.4425369857. The cubic root of 7620043 is about 196.7821980697.

The spelling of 7620043 in words is "seven million, six hundred twenty thousand, forty-three".