7720034 has 16 divisors (see below), whose sum is σ = 13358400. Its totient is φ = 3277584.

The previous prime is 7720021. The next prime is 7720039. The reversal of 7720034 is 4300277.

It is a super-2 number, since 2×7720034² = 119197849922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7719991 and 7720009.

It is not an unprimeable number, because it can be changed into a prime (7720039) 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, 1004 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (834900).

Almost surely, 2^7720034 is an apocalyptic number.

7720034 is a deficient number, since it is larger than the sum of its proper divisors (5638366).

7720034 is a wasteful number, since it uses less digits than its factorization.

7720034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 7720034 is about 2778.4949163171. The cubic root of 7720034 is about 197.6391925898.

The spelling of 7720034 in words is "seven million, seven hundred twenty thousand, thirty-four".